A small fish with electric blue colouring that is found in New Zealand, Australia, and the Kermadec Islands. It eats mostly plankton.

The triplefin is a small fish found around the coast of New Zealand. They live up to a depth of 15 metres, and grow between 4-8 centimetres. They are commonly found in rock pools near the shore.

Relating to or found in the ocean.

A scientist who studies how different creatures interact with each other and with their environment.

The eagle ray, or whai keo in Māori, is a large, diamond-shaped ocean creature with long pointed pectoral fins, a long tail, and a distinct head.

The fin on the back of a fish or whale. For example, the triangular fin on the back of a shark or dolphin, or the fins that stick up on the back of a fish. A fish can have up to three dorsal fins. The dorsal fin helps the animal with sudden turns and stops, and prevents them from rolling.

The swim bladder is an internal organ that helps some fish float in the same place despite changes in the water around them. This air-filled sac also allows them to go up or down without having to waste energy swimming.

The pair of fins on each side, just behind a fish's head. Pectoral fins help to control an animals direction while moving in the water.