All fish share two traits: they live in water and they have a backbone—they are vertebrates. Apart from these similarities, however, many of the species in this group differ markedly from one ...

The group, led by Prof. Masanori Kohda from the ... the researchers reported. Showing those same fish pictures of themselves without parasite marks or of a familiar cleaner fish with parasite ...

Now fascinating images reveal how fish make a collective ... but dolphins have been shown to surround and herd fish as a group, while individuals take it in turns to swim through the shoal ...

(Tim Samuel Photography) Photos of a fish swimming inside a jellyfish ... He thinks the fish looks like a type of jack or trevally — a group of fish that often hide under the bells of jellyfish ...