by M. Hattori Introduction Oncorhynchus keta have various lifestyles. They are born in the river and live off the coast. After … More
Category: Fish
A fish is any aquatic vertebrate animal that is covered with scales, and equipped with two sets of paired fins and several unpaired fins. Most fish are “cold-blooded”, or ectothermic, allowing their body temperatures to vary as ambient temperatures change.
Ginbuna: Carassius langsdorfii
Carassius langsdorfii is a fresh water fish which grows to about 30 centimeters in 4 to 5 years. Carassius langsdorfii … More
Akame: Lates japonicus
There are different Japanese names for this species: Mehikari in Tokusima, Minouo in Kochi, Maruka in Miyazaki , and Kawanube … More
Ayu: Plecoglossus altivelis altivelis
In summer, if you go to upper reaches of a river, you may see many anglers who have very long … More
Hirame: Japanese flatfish
The Japanese flatfish, or Olive flounder, is a kind of the fish that belongs to the large tooth flounder suborder … More
Jimbeizame: Whale Shark
There are so many sea animals on Earth, for example, fishes and mammal. Rhincodon typus is the biggest of fishes … More
Skipjack Tuna
Skipjack tuna is the English name. Japanese name is katuo. And scientific name is Katsuwonus pelamis. And there are seasonal … More
Medaka
Medaka are very small fish that is smaller than 4cm, and the name comes from the big eye that protrudes … More
Spotted Mackerel
The spotted mackerel‘s total length is 50cm. It is a sea fish. The body is a long and slender spindle … More
Tuna
Tuna is Actinopterygiirope-Percifoemes-Scombridae-Thunnus and is a generic classification for one type of bony fish. Tunnus is “tuna”, in Latin. Today … More