Learn the following nouns. These are things found around coral reefs.

	Noun	Picture	Meaning
1.	coral reef		A long narrow mass of coral skeletons in the ocean
2.	starfish		Star-shaped ocean creature
3.	sea grass		Grass that grow in the ocean
4.	jelly fish		A sea animal that has a nearly transparent body shaped like an umbrella with tentacles which sting you
5.	sea horse		A small bony fish that looks like a horse with a tail.
6.	shell		A hard covering for surrounding small sea creatures on the beach, such as snails and crabs.
7.	dolphins		A sea mammal that looks like a large fish with a pointed mouth. You can see them in Ocean Park.
8.	giant octopus		A sea creature with a soft oval body and eight long legs
9.	suckers		Parts on the outside of the body of animals used to stick to a surface
10.	tentacles		Long thin parts of some animals, for holding, feeling, moving or grasping
11.	shark		A very large carnivorous fish with sharp teeth
12.	fin		A flat part which extends from the body of a fish, for balancing and swimming. Many people eat sharks fin soup.
13.	oysters		Shellfish with a rough shell in two parts. Some can be eaten, and some produce pearls.
14.	pearl		A small, hard round object which is shiny and creamy-white in colour. It is formed around a grain of sand inside an oyster. Many women like to wear pearl necklaces.

Reference: Collins Cobuild Advanced Learner's English Dictionary, MSN Encarta Dictionary