Gorgonians

The species in this group, which comprises several families, present a ramified, fan-like form and can grow to a height of 2 m. Their skeletons can be used for decorative purposes. These animals prefer a fairly dark environment, where they live attached to a support. They sometimes have a tendency to be colonized by other organisms, such as sponges or filamentous algae. Their food must be very fine and distributed daily. Size: 15 cm.

• Bivalves
• Ampullaria
• Actinodiscus
• Palaemonidae
• Crabs