ALEXIS ROSENFELD / SCIENCE PHOTO LIBRARY ALEXIS ROSENFELD / SCIENCE PHOTO LIBRARY
Clown fish (Amphiprion bicinctus), swimming in a coral reef near a bulb tentacle sea anemone (Entacmaea quadricolor). Clown fish are always found in association with sea anemones. The fish rests, eats, and lays its eggs among the anemones stinging tentacles, which protect the fish from predators. The fish is not harmed by the ananome because its body is covered in a coating of protective mucus. The fish provides food for the anemone and keeps it free of parasites. A. bicinctus grows up to 15 centimetres long and is found in tropical water, inhabiting lagoons and outer reefs. It is not found at depths exceeding 30 metres. Photographed in the Red Sea, Egypt.
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