Fish

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

5 Characteristics That All Fish Have in Common

Fishes in the Fresh Waters of Florida Gallery – Discover Fishes

5 Facts About Koi Fish

What are Pelagic Fish? An In-Depth Overview - American Oceans

Where do fish live?, What do fish eat?

Fish GPS? Scientists find goldfish go farther next to certain

What is a fish? - The Australian Museum

Fish sentience World Animal Protection

Fish and Omega-3 Fatty Acids

Do Fish Feel Pain?

Eating just one freshwater fish is like drinking a month's worth