Fish Universe

Fish are aquatic animals

They live in water and breathe using gills.

Most fish have a streamlined body

They have scales and fins for swimming.

Fish are ectothermic

Cold-blooded animals whose body temperature varies with their environment

Fish reproduce by spawning

They lay eggs in water. Fertilization can be external or internal, depending on the species.

Habitat of fish

They can be found in freshwater (lakes, rivers) and saltwater (oceans) environments.