Pufferfish can inflate their bodies to scare off predators.

Starfish can regenerate lost arms, and some can even grow a new body from one arm.

Jellyfish have been drifting in our oceans for more than 500 million years.

Whales sing songs that can travel for miles underwater.

Male seahorses carry the babies in a pouch until they are ready to hatch.

Anglerfish use a glowing lure to attract prey in the dark ocean depths.

Male seahorses carry the babies in a pouch until they are ready to hatch.

Anglerfish use a glowing lure to attract prey in the dark ocean depths.

Starfish can regenerate lost arms, and some can even grow a new body from one arm.

Jellyfish have been drifting in our oceans for more than 500 million years.

Pufferfish can inflate their bodies to scare off predators.

Whales sing songs that can travel for miles underwater.