DMM KARIYUSHI AQUARIUM

Ha row

Freshwater Fish

Classification
Perciformes, Datnioidae
distribution
Indonesia

Finescale tigerfish

Scientific name
Datnioides microlepis
English name
Finescale tigerfish

Features

It lives in water areas with a lot of vegetation. It has a distinctive white and black striped pattern, and is nicknamed "tiger fish" for its appearance. It preys on small fish, crustaceans, and insects.

From the breeding staff

Many of them are timid and tend to stay in the corners of the tank. However, when it comes time to feed them, they will eat just as much as larger fish.

Freshwater Fish

Classification
Order Pectiniformes, Family Melanotaeniidae
distribution
Lakes in the northwest of New Guinea

Boesemani rainbow fish

Scientific name
Melanotaenia boesemani
English name
Boeseman's rainbowfish

Features

A member of the rainbow fish family, its body is colored blue and orange. It has a gentle personality, but during the breeding season, males frequently engage in a threatening behavior known as "fin spreading," where they spread their fins wide to claim territory or compete for females.

From the breeding staff

The male's back is raised. But is it too raised? I'm a little worried.

Saltwater Fish

Classification
Perciformes, Grouperidae
distribution
Western Pacific Ocean south of Okinawa Prefecture

Yellowstriped fairy basslet

Scientific name
Pseudanthias tuka
English name
Yellowstriped fairy basslet

Features

They live in small schools in coral reefs and rocky areas. Larger individuals in the school tend to change sex and become males. They are quite similar to the grouper, the Amethyst anthias, but this species can be distinguished by the male's pointed snout and yellow lower jaw, and the female's yellow stripe from the dorsal fin to the tail fin.

From the breeding staff

This fish has a very attractive purple body color. Its appearance and name are both beautiful!

Freshwater Fish

Classification
Catfish, Pangasius
distribution
Mekong River Basin

Giant pangasius

Scientific name
Pangasius sanitwongsei
English name
Giant pangasius

Features

A large catfish, it can grow up to 2 meters and weigh up to 200 kg. It is sometimes called the "Paroon Shark" because of its shark-like body shape.

From the breeding staff

It is a member of the catfish family with a shark-like body. Personally, I think it has a cute face. I'm looking forward to watching it grow bigger.

Corals

Classification
Scleractinia, Acropora family
distribution
Tropical and temperate oceans around the world

Cluster acropora coral

Scientific name
Acropora millepora
English name
Cluster acropora coral

Features

Corals grows by spreading outward. The polyps, which are one of the structures of the body, extend like hairs. This type of Acropora coral is beautiful in the way its polyps extend and sway with the water current.

*Polyp: An organism that looks like a sea anemone and has spread tentacles. Each one is about 5-30mm in size. All Corals are made up of one or more polyps.

From the breeding staff

This is a fascinating Corals with its body branching out in a fine radial pattern, and the polyps spreading out all at once from these many branches!

Saltwater Fish

Classification
Order Perciformes, Family Scalpel sawtail, Family Acanthoptera
distribution
Indian Ocean

Powderblue surgeonfish

Scientific name
Acanthurus leucosternon
English name
Powderblue surgeonfish

Features

This fish is herbivorous, feeding on algae that grow on rocks. It has a bright blue body and a yellow dorsal fin. It grows to about 20 cm.

From the breeding staff

It is a type of tang with a beautiful blue and yellow body color. The one we have at the aquarium is still small, but it is said that it will grow to about 20 cm. We are looking forward to watching it grow!

Saltwater Fish

Classification
Order Alfonsino, Family Amphitrite
distribution
Pacific Ocean, East China Sea

Big roughy

Scientific name
Gephyroberyx japonicus
English name
Big roughy

Features

It grows to be the largest among the pelagic family. Its large mouth allows it to eat fish the same size as a striped jack.

From the breeding staff

This fish lives in the deep sea. It is edible and apparently delicious. At our museum, you can see it in the cold water fish section.

Saltwater Fish

Classification
Perciformes Butterflyfishes
distribution
Indian Ocean, Western Pacific Ocean

Copperband butterflyfish

Scientific name
Chelmon rostratus
English name
Copperband butterflyfish

Features

This butterflyfish is characterized by five orange horizontal stripes. Its snout is longer than other butterflyfish because it preys on small crustaceans that live in the gaps between rocks and Corals.

From the breeding staff

It has a long mouth called a proboscis, and is easy to identify because it is slightly different in shape from the other butterflyfish species we keep at our aquarium. It has a distinctive orange vertical stripe pattern.

Saltwater Fish

Classification
Marlinidae
distribution
Southern Japan, Indian Ocean, Pacific Ocean

Indo-Pacific sailfish

Scientific name
Istiophorus platypterus
English name
Indo-Pacific sailfish

Features

A type of large saltwater fish, some of which can reach a length of 3m and a weight of over 100kg. They are characterized by their large dorsal fin and spear-shaped upper jaw. They can swim at speeds of over 100km per hour, jumping across the ocean's surface. They prey on small fish such as sardines and horse mackerel, as well as squid.

From the breeding staff

You can watch dynamic images of wild animals on a large screen.

Freshwater Fish

Classification
Perciformes, Gobiidae
distribution
Okinawa Prefecture, Mid-West Atlantic

Insignia prawn-goby

Scientific name
Cryptocentroides insignis
English name
Insignia prawn-goby

Features

It digs holes in the sandy, muddy bottom of river estuaries to make its nest. This goby has a brown body with blue spots. The patterns differ between males and females.

From the breeding staff

It is a cute goby with a slightly relaxed face when seen from the front. When seen in the wild, most individuals seem to live in symbiosis with pistol shrimp.

Saltwater Fish

Classification
Perciformes, Labridae
distribution
Central and Western Pacific

Pastel-green wrasse

Scientific name
Halichoeres chloropterus
English name
Pastel-green wrasse

Features

It is also called "Green Wrasse" or "Lime Wrasse". As its name suggests, it is a member of the wrasse family, characterized by its pale green body. As it grows, the males and females change color in different ways.

From the breeding staff

It's actually a rare Saltwater Fish that's completely green!

Birds & Others

Classification
Order: Sea anemones, Family : Giant carpet anemone
distribution
South of Amami Oshima, Western Pacific Ocean

Giant carpet anemone

Scientific name
Stichodactyla gigantea
English name
Giant carpet anemone

Features

It is a large sea anemone that Clown anemonefish and Red spotted porcelain crab like to live in symbiosis with, and is highly poisonous. Its body comes in a wide variety of colors, including brown, yellow, blue, and green.

From the breeding staff

This sea anemone is a perfect match for Clown anemonefish! It's a safe hiding place for Clown anemonefish!

Saltwater Fish

Classification
Perciformes , Blackfin dartfish
distribution
South of Wakayama Prefecture, Indian Ocean, Pacific Ocean

Fire goby

Scientific name
Nemateleotris magnifica
English name
Fire goby

Features

Its body color is white in the front half and red in the back half, and it has a long, standing dorsal fin that looks like a flag, hence the name.

From the breeding staff

Although she looks strong-willed, she actually has a gentle personality!
They live in small groups, so try and find them!

Saltwater Fish

Classification
Order: Perciformes, Family: Siganidae
distribution
South of Wakayama Prefecture, Ogasawara Islands

Rabbit-faced Spinefoot

Scientific name
Siganus argenteus
English name
Rabbit-faced Spinefoot

Features

It has a low body height among the rabbitfish family. Its dorsal, pelvic and anal fins are sharp and poisonous. Young rabbitfish are called "suku".

From the breeding staff

This fish has a unique shape with its fins spread wide, and you'll never forget it once you've seen it.

Corals

Classification
Order Scleractinia, Family Porites
distribution
Tropical and temperate oceans around the world

Flower pot coral

Scientific name
Goniopora lobata
English name
Flower pot coral

Features

They are characterized by their long, sea anemone-like polyps, and their body colors are mostly green and red.

*Polyp: An organism that looks like a sea anemone and has spread tentacles. Each one is about 5-30mm in size. All Corals are made up of one or more polyps.

From the breeding staff

This Corals is characterized by its long polyps! It's soothing to watch the polyps swaying back and forth in the water!

Corals

Classification
Order Scleractinia, Family Spinocorallia
distribution
Tropical and temperate oceans around the world

Lobophyllia

Scientific name
Symphyllia valenciennesii
English name
Lobophyllia

Features

Corals are rounded and have a rough surface. They come in a wide variety of shapes, patterns, and colors, including green, orange, red, and purple.

From the breeding staff

This Corals is characterized by its fluffy body and beautiful color!

Saltwater Fish

Classification
Order Anguilliformes, Family Moray eels
distribution
South of Amami Oshima, Indian Ocean, Pacific Ocean

Ribbon eel

Scientific name
Rhinomuraena quaesita
English name
Ribbon eel

Features

The name comes from the fact that the tubular nostrils extending from the tip of the nose look like petals. The blue body is bright yellow from the tip of the nose to the dorsal fin. It is a proto-male, and when it grows to a certain size, it changes sex to female and turns yellow all over. It is a docile species among moray eels.

From the breeding staff

The fish we have at our aquarium are still juveniles and are black in color. As they grow, their body colors will become more vibrant, so we are looking forward to watching them grow!

Saltwater Fish

Classification
Perciformes, Pomacentridae
distribution
Ryukyu Islands, Ogasawara Islands, Tokara Islands, Minamidaito Island

Tomato clownfish

Scientific name
Amphiprion frenatus
English name
Tomato clownfish

Features

It mainly lives symbiotically with Corals sea anemones and giant sea anemones. It is characterized by a wide white horizontal band on its head. When it is a juvenile, it has two to three white horizontal bands, but as it grows, all of them disappear except for the line on its head.

From the breeding staff

Its beautiful orange color makes it stand out in the aquarium!

Saltwater Fish

Classification
Order Perciformes, Family Ophiopodidae
distribution
South of Chiba Prefecture, Indian Ocean, Pacific Ocean

Spangled emperor

Scientific name
Lethrinus nebulosus
English name
Spangled emperor

Features

As its name suggests, it has a face with a protruding snout that looks like it is playing a flute. The largest can reach a total length of nearly 1m. It lives in shallow waters from shallow waters offshore, and preys on small fish, crustaceans, mollusks, etc.

From the breeding staff

This fish has a distinctive pointed snout! In Okinawa, it is called Taman!

Freshwater Fish

Classification
Perciformes, Cichlidae
distribution
Nicaragua, Panama

Loiselle's cichlid

Scientific name
Parachromis loisellei
English name
Loiselle's cichlid

Features

A member of the Cyclasoma family, it is tall and rounded overall. Males have a stronger yellow body color and develop humps.

From the breeding staff

It has a pretty mean personality and often picks on other fish, but it has a cute face with a slightly jutting chin.

Saltwater Fish

Classification
Perciformes, Grouperidae
distribution
Ryukyu Islands, Hachijo Island, Izu Oshima, Ogasawara Islands

Yellow-edged lyretail

Scientific name
Variola louti
English name
Yellow-edged lyretail

Features

This large species grows to a body length of 60cm. The rear end of the fins is yellow, and there are many small bluish purple and pale pink spots scattered on the sides of the body. Depending on the habitat, ciguatera toxins contained in the food they eat may accumulate.

From the breeding staff

They are laid-back creatures and often hide in crevices between the Corals to rest.

Saltwater Fish

Classification
Perciformes, Lutjanidae
distribution
Shizuoka Prefecture, Wakayama Prefecture, Kochi Prefecture, Nagasaki Prefecture, Yakushima Island, Ryukyu Island, Senkaku Islands, Ogasawara Islands, Okinotorishima Island

Two-spot red snapper

Scientific name
Lutjanus bohar
English name
Two-spot red snapper

Features

Its body is uniformly reddish-black, and can grow to a maximum length of over 1m. It is carnivorous, preying on fish and invertebrates.

From the breeding staff

Due to its varied diet, this fish is prone to ciguatera poisoning, so be careful when eating it.

Corals

Classification
Scleractinia, Acropora family
distribution
South of Tanegashima

Bottlebrush acropora

Scientific name
Acropora aculeus
English name
-

Features

A thin, branching Corals found on reef slopes and rocky slopes at depths of less than 10m.

From the breeding staff

It is a hard Corals with a skeleton. When cleaning, we have to be careful not to break it!

Saltwater Fish

Classification
Porcupinefish, Porcupinefish
distribution
Temperate and tropical waters around the world

Porcupinefish

Scientific name
Diodon holocanthus
English name
Porcupinefish

Features

Its whole body is covered with sharp thorns. When it senses danger, it inhales a large amount of water and air, inflates its body, and raises its thorns to intimidate. The name "Porcupinefish" comes from this appearance, but it is said that it has only about 350 thorns, not 1000. The thorns themselves are not poisonous.

From the breeding staff

It's so cute how when they see people they approach as if asking for food! Sometimes they move with such force that they splash the water all over the place.

Freshwater Fish

Classification
Perciformes, Cichlidae
distribution
Costa Rica, Nicaragua

Red devil

Scientific name
Amphilophus citrinellus
English name
Red devil

Features

A Freshwater Fish that lives in rivers and lakes. Its entire body is reddish in color. As males grow, a large bump appears on their heads. It has a violent personality and may threaten other fish by butting heads. It preys on crustaceans and small fish.

From the breeding staff

Although this species has a cute little mouth, it has a bad temperament and will usually chase any new fish that come along. However, the shape of its mouth is not suited to attacking, so it has little attacking power.

Freshwater Fish

Classification
Characiformes, Anostomidae
distribution
-

Banded leporinus

Scientific name
Leporinus fasciatus
English name
Banded leporinus

Features

It is found in the Amazon River basin and is locally called the Araku Flamenco. Its body is yellow with 8-12 black horizontal stripes from the snout to the tail peduncle, and it grows to about 30-35 cm in total length.

From the breeding staff

Originally, I had put komatsuna in the tank for other herbivorous fish, but this species seems to eat it with the most gusto.

Saltwater Fish

Classification
Order Perciformes, Family Ranunculidae
distribution
Western Pacific

Picturesque dragonet

Scientific name
Synchiropus picturatus
English name
Picturesque dragonet

Features

Also known as the Spotted Mandarin, it has numerous black spotted rings bordered by fluorescent green and orange rings. It preys on small crustaceans, polychaetes, and other creatures.

From the breeding staff

This small fish has a very cute black polka dot pattern! It mainly lives around rocks and on coral reefs.

Saltwater Fish

Classification
Perciformes, Labridae
distribution
Ryukyu Islands, Hachijo Island, Izu Oshima, Ogasawara Islands

Ringtail maori wrasse

Scientific name
Oxycheilinus unifasciatus
English name
Ringtail maori wrasse

Features

It is relatively large among the Labridae family, growing to over 40 cm. The body color varies from brown to reddish brown depending on the individual, with a brown line extending from behind the eyeball to the gill cover and a white horizontal band on the caudal peduncle. It is carnivorous, preying on small fish and crustaceans.

From the breeding staff

Its name is said to come from the white pattern on its tail peduncle, and it also has two distinctive red lines behind its eyes.
It has a distinctive appearance, so be sure to look for it.

Saltwater Fish

Classification
Order: Perciformes, Family: Siganidae
distribution
South of Amami Oshima, Western Pacific Ocean

Blotched foxface

Scientific name
Siganus unimaculatus
English name
Blotched foxface

Features

Its name "Hifuki" comes from the fact that its protruding snout looks like it is breathing fire. Its dorsal, pelvic and anal fins have sharp spines that are poisonous.

From the breeding staff

Its name "Hifuki" comes from the fact that its snout (proboscis) looks like a mouth that is breathing fire! The spines on its fins are also poisonous!

Saltwater Fish

Classification
Perciformes, Parrotfish
distribution
South of Kii Peninsula, India, Pacific Ocean

Blue-barred parrotfish

Scientific name
Scarus ghobban
English name
Blue-barred parrotfish

Features

*Currently not on display.

The color of this species differs greatly between males and females. Females have a yellowish body color with light blue horizontal stripes, while males have a paler yellow and a bluish body color. They mainly feed on crustaceans and algae.

From the breeding staff

This fish has beautiful blue and yellow patterns! The female has more pronounced stripes!

Birds & Others

Classification
Woodpeckers, Ramphastidae
distribution
south america

Channel-billed toucan

Scientific name
Ramphastos vitellinus
English name
Channel-billed toucan

Features

Its large beak is hollow, making it light for its size, and it also plays a role in regulating body temperature. It is omnivorous, eating fruits, nuts, insects, small Reptiles, etc. It has a unique way of eating, throwing food straight up into its mouth.

From the breeding staff

They welcome visitors in the animal area with their colorful appearance! (They sometimes fly over lol) They look so cute when they're eating!

Birds & Others

Classification
Order Veneridae, Family Malvaceae
distribution
Western Pacific, Indian Ocean, etc.

Crocus giant clam

Scientific name
Tridacna crocea Lamark
English name
Crocus giant clam

Features

This is the smallest species in the Tridacna family. Although it sometimes eats tiny creatures floating in the sea, it mainly lives on the nutrients created by the zooxanthellae that live inside its body through photosynthesis. For this reason, it often lives in shallow waters where light can easily reach.

From the breeding staff

This giant clam is cute in both color and size!
The blue frills look like they're floating in an aquarium, which is very soothing!

Saltwater Fish

Classification
Perciformes, Lutjanidae
distribution
South of Chiba Prefecture, Indian Ocean, Pacific Ocean

Humpback red snapper

Scientific name
Lutjanus gibbus
English name
Humpback red snapper

Features

Juvenile fish have a bluish body color, but when they become adults, their body height increases and their body color becomes reddish. They live in rocky and coral reef areas and prey on fish, crustaceans, invertebrates, etc.

From the breeding staff

This beautiful red fish swims in schools! When it is young, it has a slightly bluish color!

Corals

Classification
Order Scleractinia, Family Amaranthidae
distribution
Tropical and temperate oceans around the world

Banana coral

Scientific name
Trachyphyllia geoffroyi
English name
Banana coral

Features

This coral has a Corals that radiates from the center. The body color is fluorescent overall, and there is a wide variety of colors. In particular, individuals called "multi-color" that contain several colors are popular among collectors.

*Skeleton: The "bony" part of a Corals, made mainly of calcium carbonate.
*Polyp: An organism that looks like a sea anemone and has spread tentacles. Each one is about 5-30mm in size. All Corals are made up of one or more polyps.

From the breeding staff

This Corals has a beautiful body with bright fluorescent colors! It looks like a single flower blooming in the aquarium!

Saltwater Fish

Classification
Order Perciformes, Family Scalpel sawtail, Family Acanthoptera
distribution
Ryukyu Islands, Ogasawara Islands, Tokara Islands, Minamidaito Island, etc.

Elongate surgeonfish

Scientific name
Acanthurus mata
English name
Elongate surgeonfish

Features

It lives in the reefs and coral reefs of southern Japan. It is characterized by a short yellow band across its eye. Its body is bluish in color with many thin bright blue vertical bands. Like other fish in the family Scalpel sawtail, it has spines on its caudal peduncle.

From the breeding staff

Normally the beautiful vertical stripes are clearly visible, but when they are alert, their body color turns darker.

Reptiles

Classification
Order Testudines Family Chelidonidae
distribution
Southern Brazil, Uruguay, Northern Argentina

Hilare‘s toad-headed turtle

Scientific name
Phrynops hilarii
English name
Hilare's toad-headed turtle

Features

The name comes from the fact that it has a frog-like face. Turtles in this genus have two whisker-like protrusions on their chins, and with a maximum carapace length of 40 cm, it is the largest species in the genus Chelonia. The body color is dark gray and inconspicuous, but the carapace on the abdomen has small polka-dot-like spots. They prey on fish, amphibians, insects, and crustaceans.

From the breeding staff

In Japan, turtles that retract their necks are well known, but the Hilare‘s toad-headed turtle is a slightly unusual turtle that folds its neck sideways. It is a glutton, and when someone passes in front of the tank, it appeals for food! It also has a playful side!

Freshwater Fish

Classification
Ophiodontiformes Ophiodontiformes
distribution
Amazon River Basin

Arapaima

Scientific name
Arapaima gigas
English name
Arapaima

Features

One of the world's largest Freshwater Fish. Its appearance has remained almost unchanged for over 100 million years, making it known as a living fossil. The name "Pira" comes from fish and "Uruk" from the nut from which red pigment is extracted, and is derived from the red spots on the rear half of its body and tail fin. It grows to about 2-3m in length, but in the past, individuals as long as 5m have been confirmed.

From the breeding staff

This fish is famous for being one of the largest Freshwater Fish in the world. It swallows food whole with its huge mouth. The one we have at our aquarium is still small, so we're looking forward to seeing it in the future.

Freshwater Fish

Classification
Siluriformes, Salicidae
distribution
Myanmar

Burmese upside down catfish

Scientific name
Mystus leucophasis
English name
Burmese upside down catfish

Features

It is called the Burmese upside down catfish because of the way it swims upside down. It is a medium-sized catfish that grows to a maximum of 30 cm and is quite aggressive, attacking other fish.

From the breeding staff

This strange fish swims upside down! It even eats its food upside down, so be sure to check it out!

Saltwater Fish

Classification
Order Perciformes, Family Pycnonotidae
distribution
Izu Islands, Pacific coast south of the Izu Peninsula, Ryukyu Islands, Senkaku Islands, Ogasawara Islands

Lesson's thicklip

Scientific name
Plectorhinchus lessonii
English name
Lesson's thicklip

Features

There are black vertical stripes on the sides of the body, and the dorsal, anal, and rib fins are mottled with yellow and black. When young, the entire body is covered with white and black vertical stripes.

From the breeding staff

The young fish look very similar to the striped Striped eel catfish, so if you spot one in the ocean, you might get a bit scared.

Saltwater Fish

Classification
Perciformes, Labridae
distribution
South of Wakayama Prefecture, Indian Ocean, Pacific Ocean

Blackfin hogfish

Scientific name
Bodianus loxozonus
English name
Blackfin hogfish

Features

It is characterized by black spots that run from the back of its dorsal fin to its tail fin. It grows to about 35cm in length. It inhabits shallow coral reefs and rocky areas, and mainly preys on small crustaceans.

From the breeding staff

Take a good look at its mouth! Its teeth are very sharp!

Saltwater Fish

Classification
Order Perciformes, Family Scalpel sawtail, Family Acanthoptera
distribution
South of Sagami Bay, Pacific Ocean

Sailfin tang

Scientific name
Zebrasoma veliferum
English name
Sailfin tang

Features

As its name suggests, its dorsal and anal fins are long and large. When young, it swims with its fins spread, but when it becomes an adult, it swims with its fins closed. When it threatens an opponent or is startled, it spreads its fins as wide as it can.

From the breeding staff

As its name suggests, this fish has long dorsal and anal fins! It's usually closed, so it's hard to tell how big it is...

Birds & Others

Classification
Caudata, Newt family
distribution
Southern, Central and Eastern Europe

Fire salamander

Scientific name
Salamandra salamandra
English name
Fire salamander

Features

They prefer humid places such as near rivers and swamps, and are nocturnal, hiding under fallen leaves or in the soil during the day. Their bright patterns are warning colors that let predators know they are poisonous, and they secrete venom from their skin to protect themselves.

From the breeding staff

Its unique yellow and black body color and round eyes are its charming points.
He moves at his own pace and very slowly.

Saltwater Fish

Classification
Perciformes Butterflyfishes
distribution
South of Chiba Prefecture

Vagabond butterflyfish

Scientific name
Chaetodon vagabundus
English name
Vagabond butterflyfish

Features

It resembles the Threadfin butterflyfish, but can be distinguished by the presence or absence of black bands, black spots, and extended soft rays of the dorsal fin. It is omnivorous, feeding on Corals polyps, attached algae, and benthic animals.

From the breeding staff

I think "Furai" probably means a wanderer, and perhaps it refers to traveling freely in nature.

Saltwater Fish

Classification
Order Perciformes, Family Blenniidae
distribution
Ryukyu Islands, India, and the Pacific

Bicolor blenny

Scientific name
Ecsenius bicolor
English name
Bicolor blenny

Features

It lives on coral reefs, and although there are some differences depending on the region, the basic body color is dark on the front half of the body and orange on the back half.

From the breeding staff

They often hide in the shadows of Corals and rocks, but they will come out when you feed them.

Birds & Others

Classification
Anura, Hylidae
distribution
Colombia, Venezuela, Brazil

Giant monkey tree flog

Scientific name
Phyllomedusa bicolor
English name
Giant monkey tree flog

Features

It is the largest species in the genus Metophila, and is also known as the "giant Metophila" because it can reach a maximum body length of about 12 cm. Its body color is green on the back, light gray on the ventral side, and has white spots with black borders.
They also have a highly poisonous skin. They mainly live in trees and feed on insects and arthropods.

From the breeding staff

Since it is a nocturnal frog, it sleeps during the day and doesn't move a muscle.
When he's sleeping, his back looks just like a green pepper.

Mammals

Classification
Two-toed sloth
distribution
Northern South America

Two-toed sloth

Scientific name
Choloepus didactylus
English name
Two-toed sloth

Features

The name "two-toed" comes from the two long claws on its front feet, which it uses to hang from trees. It is nocturnal and feeds on nuts and fruits, but is mostly motionless during the day, spending 15 to 20 hours a day sleeping. It mainly lives in trees, and comes down to the ground once a week to defecate.

From the breeding staff

They all have their own personalities, some love people, others are lively and tomboyish. Their fur and color are all different, so take a good look at them! And find your favorite sloth!

Freshwater Fish

Classification
Catfish, Loricariidae
distribution
South America, Amazon River

Bushymouth catfish

Scientific name
Ancistrus sp
English name
Bushymouth catfish

Features

This herbivorous catfish has distinctive whisker-like protrusions on its mouth and likes to eat moss and other plants.

From the breeding staff

There are shoe-sized plecos that live in the rivers of Okinawa, but this one is a different kind of small pleco. It eats the moss in the aquarium and helps clean it.

Saltwater Fish

Classification
Perciformes, Cardinalidae
distribution
Indonesia

Banggai cardinalfish

Scientific name
Pterapogon kauderni
English name
Banggai cardinalfish

Features

An endemic species found in Indonesia. All fins are elongated, with three black horizontal stripes across the white body. This species has a breeding pattern known as mouth-brooding, where the parent raises the young in their mouths. The male protects the eggs in his mouth until they hatch. The male does not eat food for 20-30 days during this time.

From the breeding staff

This fish has beautiful black and white starry sky-like fins! It's a mouth breeder that grows eggs with its big mouth!

Corals

Classification
Alcyonacea, Alcyonidae
distribution
South of Tohoku region

Soft Gorgonia sea fan

Scientific name
Euplexaura crassa
English name
-

Features

A type of Corals that lives in shaded areas. It does not require light and obtains nutrients by catching small plankton. It comes in a variety of colors, including red, blue, and yellow.

From the breeding staff

As the name suggests, this goat has thicker branches than other goats. We also raise similar species at our facility, but there are some differences, so it's interesting to compare them.

Reptiles

Classification
Alligatoridae
distribution
North and Central South America

Smooth-fronted caiman

Scientific name
Paleosuchus trigonatus
English name
Smooth-fronted caiman

Features

This species is slightly larger than the pygmy caiman, growing to a maximum length of about 1.8m. It mainly inhabits shallow streams, but as it grows it spends more time on land, away from the water. It preys on fish, amphibians, and small Mammals. It is very quick when catching its prey, but normally it barely moves.

From the breeding staff

They enjoy sunbathing, so please keep an eye on them kindly when they are on land.

Freshwater Fish

Classification
Electric eels, Apteronautidae
distribution
Venezuela, Peru

Black ghost

Scientific name
Apteronotus albifrons
English name
Black ghost

Features

Its body is pitch black and has a knife-like shape. Its eyes are degenerate, but it can avoid obstacles and detect food by sending out a weak electric current from its body. It is nocturnal, so it often hides in the shade of rocks during the day.

From the breeding staff

A ghost-like fish that moves back and forth. If you feed it, it will come and eat it with great force! Please take a look!

Freshwater Fish

Classification
Characiformes, Characidae
distribution
Amazon River Basin, Orinoco River Basin

Cachama

Scientific name
Colossoma macropomum
English name
Cachama

Features

Because they have very strong teeth, they eat mainly hard nuts that fall to the surface of the water, even though they are omnivorous fish. Although they look very similar to piranhas, this species is docile and usually lives alone.

From the breeding staff

It is a cute-looking fish with a round body shape, and has an appetite that rivals that of other larger fish.

Freshwater Fish

Classification
Characiformes Serrasalmidae
distribution
Columbia

Disk tetra

Scientific name
Myleus schomburki
English name
Disk tetra

Features

A medium-sized characin that lives in South America. It has a round, disc-shaped body and a line down the center of its body that becomes thicker and black as it grows.

From the breeding staff

As this species grows, parts of its body will turn red, but since it is still small, it is a fish that we look forward to watching grow.

Freshwater Fish

Classification
Perciformes, Cichlidae
distribution
Nicaragua, Costa Rica

Red devil cichlid

Scientific name
Amphylophus citrinellus
English name
Red devil cichlid

Features

Adult males have a large, distinctive bump on their head. The name "flamingo" comes from their bright white-pink color.

From the breeding staff

Some male cichlids develop humps as they grow. The one currently on display has quite a few humps and is a very impressive looking cichlid.

Freshwater Fish

Classification
Characiformes, Characidae
distribution
Colombia, Venezuela

Silver pike-characin

Scientific name
Ctenolucius hujeta
English name
Silver pike-characin

Features

It resembles the ancient fish gar, but is a completely different species, a medium-sized characin that lives in South America. It preys on small fish with its protruding mouth.

From the breeding staff

During feeding, they are greedy creatures who desperately eat food that is obviously bigger than their mouths. Their thin, pointed snouts are very cool.

Freshwater Fish

Classification
Cypriniformes, Cyprinidae
distribution
Myanmar, Thailand

Blue Mahseer

Scientific name
Neolissochilus stracheyi
English name
-

Features

A type of carp that can grow to over 1 meter in length. Its scales are large and copper-colored, and its fins are bluish, as its name suggests. It mainly preys on small fish, but also eats aquatic plants.

From the breeding staff

During the breeding season, carp species develop white protrusions called "stars" around their mouths, and this Blue Mahseer also has these. Please try and find them.

Freshwater Fish

Classification
Order Pectiniformes, Family Melanotaeniidae
distribution
Lake Kutubu and its surrounding rivers on the island of New Guinea

Lake kutubu rainbowfish

Scientific name
Melanotaenia lacustris
English name
Lake kutubu rainbowfish

Features

A member of the rainbow fish family, it is characterized by its blue body color. When males reach maturity, their heads turn yellow and yellow lines appear on their sides. Wild specimens are considered to be in danger of extinction.

From the breeding staff

Rainbow fish come in a variety of colors and shapes. This species, as its name suggests, has a beautiful blue color.

Saltwater Fish

Classification
Perciformes, Angelfish family
distribution
Micronesia, Hawaiian Islands, Western Pacific

Flame angel fish

Scientific name
Centropyge loricula
English name
Flame angel fish

Features

It has a bright red body with four to five black stripes on its sides. It lives in shallow coral reef areas and feeds on small crustaceans and algae.

From the breeding staff

This fish has a bright orange body with black stripes. It goes great with a Corals tank!

Freshwater Fish

Classification
Catfish, Calichthyidae
distribution
Peru, Ecuador

Common brochis

Scientific name
Brochis splendens
English name
Common brochis

Features

The body color is metallic green, and the species is taller than many closely related species.

From the breeding staff

It is one of the larger species of Corydoras. If you look closely, you will notice that its mouth is longer than other species, giving it a very unique appearance.

Freshwater Fish

Classification
Perciformes, Cichlidae
distribution
Lake Tanganyika

Humphead cichlid

Scientific name
Cyphotilapia frontosa
English name
Humphead cichlid

Features

A type of cichlid. Males develop a bump on their head as they grow. It is endemic to Lake Tanganyika in Africa and preys on small fish and crustaceans.

From the breeding staff

When viewed from the side, the large hump on the male makes this fish look very cool and impressive.

Birds & Others

Classification
Spheniscus penguinidae
distribution
Peru, Chile

Humboldt penguin

Scientific name
Spheniscus humboldti
English name
Humboldt penguin

Features

They live in the western part of South America around the Humboldt Current. They feed on fish such as sardines, crustaceans, and mollusks that live in the same waters. They build nests in caves in rocks or tunnels dug in the sand, where they breed and raise their young. They molt once a year, and spend this time on land rather than in the water.

From the breeding staff

There is a chance to see them up close through feeding experiences! Please come and meet them during feeding time, when their personalities are at their best!

Saltwater Fish

Classification
Order Sticklebacks, Family Razorfish
distribution
South of Sagami Bay, Indian Ocean, Pacific Ocean

Razorfish

Scientific name
Aeoliscus strigatus
English name
Razorfish

Features

It usually swims with its head down, but when it is attacked or in danger, it turns its body horizontally and moves at a considerable speed. Its long and slender body and black stripes mimic the spines of a sea urchin. The name "Heko" means "upside down." Although it has "ayu" in its name, it is not a member of the sweetfish family.

From the breeding staff

The charm of this fish is the way it swims upside down! It loves small crustaceans!

Corals

Classification
Alcyonacea, Alcyonidae
distribution
Reef areas south of central Honshu

Octocoral

Scientific name
Alcyonium gracillimum
English name
-

Features

A type of Corals known as a "soft coral" with a soft body. It does not have a large skeleton inside its body, but has small bones called spicules inside its cells. Because of this, alcea species are prone to stretching and contracting, and can be nearly twice as large when stretched as when contracted. This species lives in the shade among alcea species, and survives by preying on plankton and other creatures.

From the breeding staff

They are known as soft corals and have a soft body without a skeleton. Their bright orange coloring adds a beautiful touch to any aquarium.

Saltwater Fish

Classification
Perciformes, Goatfish family
distribution
Hachijo Island, Ogasawara Islands, Ryukyu Islands, etc.

Whitesaddle goatfish

Scientific name
Parupeneus ciliatus
English name
Whitesaddle goatfish

Features

Like other goatfish, it has baleen-like organs that it uses to search for food in the sand. It lives alone or in small schools and preys on crustaceans and other creatures.

From the breeding staff

It is often mistaken for the Manybar goatfish, but the Whitesaddle goatfish has one black spot at the base of the tail, while the Manybar goatfish has another black spot under the second dorsal fin.

Saltwater Fish

Classification
Perciformes, Hawkfish family
distribution
South of Tanabe Bay, Wakayama Prefecture

Blackside hawkfish

Scientific name
Paracirrhites forsteri
English name
Blackside hawkfish

Features

Its name comes from the many reddish brown spots on its face. It is about 20cm long and feeds on small crustaceans and fish.

From the breeding staff

This fish has very distinctive spots on its face. Some people may not like this fish.

Saltwater Fish

Classification
Order Perciformes, Family Pycnonotidae
distribution
The Ryukyu Islands

Silver grunt

Scientific name
Pomadasys argenteus
English name
Silver grunt

Features

Its body is silvery white, with yellow pelvic and anal fins. It is also known as "Gakugaku," because of the sound it makes when it vibrates its swim bladder.

From the breeding staff

"Gakugaku" is the name they call it in Okinawa, and it has a slightly pathetic ring to it that's kind of cute.

Freshwater Fish

Classification
Order: Amazonian Rays, Family: Acanthidae
distribution
Amazon River Basin

White-blotched river stingray

Scientific name
Potamotrygon leopoldi
English name
White-blotched river stingray

Features

It is endemic to the Xingu River basin in Brazil and can grow up to 70cm. "Polka dot" means water ball, and "stingray" means ray.

From the breeding staff

Its cute shape and pattern resemble a zabuton cushion, but it has a poisonous stinger in its tail, so be careful when walking through the rivers of South America.

Saltwater Fish

Classification
Perciformes, Labridae
distribution
South of Chiba Prefecture, Indian Ocean, Pacific Ocean

Bluestreak cleaner wrasse

Scientific name
Labroides dimidiatus
English name
Bluestreak cleaner wrasse

Features

They are known as "scavengers" that eat parasites on the bodies of other fish and leftover food in their mouths, so they will not attack even if they are near larger fish.

From the breeding staff

They are the cleaners of the ocean, eating leftover food from other fish's mouths and parasites on their bodies!
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