A body of water that is partly surrounded by land. Water in a bay is generally calmer than water further out to sea which is not protected by land.

A place on the coast where ships can safely anchor because it is protected from rough water, wind, and sea currents.

Animals that live in water and have a hard shell. E.g. Pipis, cockles, and mussels

A crustacean (an animal with a hard outer shell like a crab or lobster) which has a soft, spiral body. The hermit crabs has a shell which it takes from other sea animals. As the crab gets bigger it will creep out of it's old shell and find a bigger one to use. Hermit crabs spend a lot of time on land, but they have gills like a fish.

There are two meanings of the word spine: 1. The backbone of a creature that extends from the bottom of their head/skull all the way down their back. And 2. a stiff, pointed, part that sticks out from a creature. E.g. the pointy spines of a fish or kina.

Orca, or maki and kākahi in Māori, are also known as ‘killer whale.' They are a large black and white 'toothed whales' that are actually the largest member of the dolphin family. Orca are apex predators, which means no other animal in the sea hunts and eats them. They have a large dorsal (back) fin and live in groups that hunt seals, fish, and penguin together. They can be found all over the world, including in New Zealand waters.