Fish

Fish are vertebrates (vertebrates have backbones) that live in water. They breathe using special organs called gills.

8 Fish to Avoid in Beginner Aquariums: Difficult Species - PetHelpful

What is a fish? - The Australian Museum

Fish, Healthy Pets, Healthy People

5 Characteristics That All Fish Have in Common

Warming Oceans May Lead to Smaller Fish

Fish, Animals Are Not Ours to Eat

It Looks Awkward, but This Fish Has a Secret Glow - The New York Times

Fish, Definition, Species, Classification, & Facts

Look who's talking now: the fishes

Fish Clipart Vector Art, Icons, and Graphics for Free Download

Fish Clipart, Download Free Transparent PNG Format Clipart Images

Researchers solve mystery of deep-sea fish with tubular eyes and