The Gulf of Maine Aquarium Web site is an abundant resource on marine ecosystems. From communication strategies of marine mammals to coral reefs in Belize, the site uses descriptive text and vivid photos to explore a variety of topics related to ocean life. With each menu expanding into a number of further selections, the site is a maze of topics that allows users to navigate through a vast amount of information based on their own interests. Several of the sections include some classroom activities to make the site more useful for teachers.