The spiny dogfish is a type of fish that lives in the deep sea.

The blotchy swellshark, as its name suggests, is a type of shark with spots on its body.

The bull shark is known for its ability to live in freshwater.

As the name suggests, the grey reef shark has a black tail and white eyes.

This forest is a habitat for many kinds of animals.

Deep-sea fish have undergone various evolutions due to the harshness of their habitat.