Young scholars examine the different types of barrier reefs and how they are formed.  In this barrier reef instructional activity students complete several activities on coral reefs.

Learners study life forms in coral reefs. In this ocean life lesson, students study life in coral reefs as they create a coral reef sculpture.

Provides photographs and facts about the silver dollar, a freshwater tropical fish. Discusses their popularity for aquariums, where they originate, their behavior, diet, predators, lifespan and reproduction, and care when kept in an...

Illustrated entry describes the Molly with details about its habitat, physical characteristics, diet, breeding, and other facts.

An interesting site about coral reefs. It explores where the reefs are found, what the reefs are, animals that live in the reefs, and preservation of the reefs.

Sea World's site featuring a variety of information about their animals, as well as general animal information. Includes "Animal Bytes," a list of animals with some of their characteristics. Also includes some games and teacher resources.

This short story by Jack London departs from his usual setting in the Yukon and takes place in tropical Hawaii. A young man and older man are fishing and telling tales in "The Water Baby". Read the full text on this site.

Perform an experiment to observe inadvertent transfer of organisms when new fish are transplanted into tropical aquariums. Apply this knowledge to explain how alien species can rapidly destroy the established ecological balance in an...

Use this site to learn more about the Sawfish with this brief description and images.

The pyramid-shaped, wooded mountain of Monte San Giorgio beside Lake Lugano is regarded as the best fossil record of marine life from the Triassic Period (245-230 million years ago). The sequence records life in a tropical lagoon...

Located some 506 km off the coast of Colombia, the site includes Malpelo island (350 ha) and the surrounding marine environment (857,150 ha). This vast marine park, the largest no-fishing zone in the Eastern Tropical Pacific, provides a...

Peaks of the Southern Atlantic submarine ridge form the Fernando de Noronha Archipelago and Rocas Atoll off the coast of Brazil. They represent a large proportion of the island surface of the South Atlantic and their rich waters are...