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

The bonnethead is a type of shark that is difficult to find in the sea.

The scalloped hammerhead is a fish with a very unique shape in the sea.

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

This forest is a habitat for many kinds of animals.

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