ritteri anemone in red sea

anemone animal aquatic coral reef diving egypt heteractis magnifica leathery magnificent sea marine ocean ritteri scuba sharm el sheikh tropical underwater red eilat israel dahab hurghada marsa alam wildlife water asia tentacles tentacle sting actiniaria cnidaria cnidocyte symbiosis symbiont symbiotic yellow aquarium indopacific stichodactylidae hexacorallia carpet