The reef food chain

Fins drying

The coral reef food chain For a coral reef to stay healthy it needs inhabitants from each level of the food web. That starts with the photosynthetic organisms such as seaweed and zooxanthellae (algae). A reef that is overrun with algae is probably not healthy because the primary consumers of algae are missing. Crabs, sea urchins and sponges all feed on algae. So do some sea turtles, parrot fish and Read More …