This fascinating color palette also belongs to some incredible species, as you’ll see here on our list of the top 12 blue fish! Betta fish are incredibly popular, mostly for their ability to ...

What is a betta fish? Betta fish—also known as Siamese fighting fish—are among the oldest species of domesticated fish. Their scientific name, Betta splendens, combines two languages ...

when a fisherman hauled in a blue shark measuring a massive 271cm. Here they feed on other fish, such as mackerel, herring, squid and some bottom living species and scavenge on other creatures.

Bluefin tuna are an ocean-going fish that grow up to 10 feet long and can weigh as ... The International Union for Conservation of Nature lists two species of bluefin, the Atlantic and the southern, ...