A fish that looks like an eel. It spends most of its time hidden in caves and rock crevices at the bottom of the ocean, with only its head stuck out. It usually comes out at night, and eats things like fish, octupuses, squid, and crabs.

Sea animals that stay in one place their whole life. Some coral produce a colourful skeleton (which is also called coral) that will remain after they die. Coral are often found grouped in large areas called coral reefs, and they are related to sea anemones and jellyfish.

A long line of jagged rock, coral, or sand just above or below the surface of the ocean. An artificial reef is when a human-made structure creates a reef on the sea floor.

Ready to attack or challenge in a forceful way.

The land near a sea shore (where the land meets the sea).

A group of fish that swim together in the same direction.

A type of requiem shark found worldwide. The shark likes living on clear reefs around islands and The International Union for Conservation of Nature (IUCN) has defined this shark as near threatened.