DMM KARIYUSHI AQUARIUM

Hijuru Section

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.

Birds & Others

Classification
Isopods, family Azotomidae
distribution
Western Pacific Ocean, East China Sea, etc.

Deep-sea giant isopod

Scientific name
Bathynomus doederleini
English name
Deep-sea giant isopod

Features

It is a type of isopod, the same family as pillbugs. It is called the cleaner of the ocean floor because it eats the carcasses of living creatures. It can swim using the swimming legs on its abdomen and its tail.

From the breeding staff

The famous Giant Isopod lives deeper than this Deep-sea giant isopod and is even larger.

Birds & Others

Classification
Octopoda, Octopidae
distribution
North Pacific etc.

North Pacific giant octopus

Scientific name
Enteroctopus dofleini
English name
North Pacific giant octopus

Features

The world's largest octopus, with a total length of over 3m. It prefers crustaceans but also preys on large creatures such as sharks. It is known for laying eggs on rocks and protecting them until they hatch.

From the breeding staff

As the name North Pacific giant octopus suggests, the flesh is watery and not suitable for eating. That's the fate of a large body.

Birds & Others

Classification
Decapoda Spider Crab
distribution
Western Pacific Ocean, East China Sea, etc.

Japanese spider crab

Scientific name
Macrocheira kaempferi
English name
Japanese spider crab

Features

The world's largest crab, found around Japan. Its leg span can exceed 4m, but it can also move quickly to prey on fish. In the spring, it sometimes comes to shallow waters to spawn.

From the breeding staff

This giant crab lives in the deep sea and has very long legs, making it very impressive. You can see it in the cold water fish section at our museum.

Saltwater Fish

Classification
Order Sticklebacks, Family Longspine snipefish
distribution
South of central Honshu, Indo-West Pacific region

Longspine snipefish

Scientific name
Macroramphosus scolopax
English name
Longspine snipefish

Features

A type of stickleback fish characterized by its long, tubular snout. Its snout is tubular like a straw. Its head is usually pointed slightly downward.

From the breeding staff

This fish is characterized by a straw-like mouth called a proboscis, which it uses to suck in and eat food.

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