Red Sea Anemone fish (Amphiprion bicinctus) and Bubble anemone (Entacmaea quadricolor), Naama Bay, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

Red Sea anemonefish pair (Amphiprion bicinctus) and Bubble anemone (Entacmaea quadricolor), Naama Bay, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

A pajama nudibranch (Chromodoris quadricolor) attempts to climb up the side of a sea cucumber, Philippines, Southeast Asia, Asia

Detail of a bulbed anemone, Entacmaea quadricolor, on a coral reef in Komodo National Park, Indonesia.

Abstract of the tentacles on a bulbed-anemone (Entacmaea quadricolor) in Lembeh Strait, Indonesia.

Detail of the colorful tentacles on a bulbed anemone, Entacmaea quadricolor, growing on a reef near Alor in Indonesia.

A bulbed anemone (Entacmaea quadricolor) grows on a reef in Komodo National Park, Indonesia. This beautiful area harbors extraordinary marine biodiversity and is a popular destination for divers and snorkelers.

Spinecheek clownfish (Premnas aculeatus) in white bubble tip Sea Anemone (Entacmaea quadricolor), Cenderawasih Bay, West Papua, Indonesia, Southeast Asia, Asia

Spinecheek clownfish (Premnas aculeatus) in white bubble tip Sea Anemone (Entacmaea quadricolor), Cenderawasih Bay, West Papua, Indonesia, Southeast Asia, Asia

Spinecheek clownfish (Premnas aculeatus) in white bubble tip Sea Anemone (Entacmaea quadricolor), Cenderawasih Bay, West Papua, Indonesia, Southeast Asia, Asia

Pair of nudibranches (Chromodoris quadricolor), on sponge, Lapus Lapus Island, Malapascua, Cebu, Philippines, Southeast Asia, Asia

Long-arm cleaner shrimp (Periclimenes longicarpus) on a Bubble anemone (Entacmaea quadricolor). Shark Observatory ,Sharm El Sheikh, South Sinai, Red Sea, Egypt. (rr)

Clark's anemonefish (Amphiprion clarkii) in host anemone (Entacmaea quadricolor). Komodo, Indonesia, Pacific Ocean.

Spine-Cheek Anemonefish (Premnas biaculeatus) on Bubble Anemone, Entacmaea quadricolor. Gorontalo, Sulawesi, Indonesia. (rr)

Pyjama Nudibranch (Chromodoris quadricolor) on fire sponge. Red Sea.

Bulb-tentacle Anemone Entacmaea quadricolor. Gili Islands, Lombok, Indonesia

Pyjama Nudibranch (Cromodoris quadricolor) on fire sponge. Red Sea.

Pair of endemic three-banded anemonefish (Amphiprion tricinctus) and bulb anemone (Entacmaea quadricolor), Namu atoll, Marshall Islands, Pacific

Pyjama Nudibranch (Chromodoris quadricolor) on fire sponge. Red Sea.

Clark's anemonefish (Amphiprion clarkii) in bubble-tip anemone (Entacmaea quadricolor), Raja Ampat archipelago, Papua Barat, Western New Guinea, Pacific Ocean, Indonesia, Asia

Clarks anemonefish (Amphiprion clarkii) in bladder anemone (Entacmaea quadricolor), Raja Ampat Archipelago, Papua Barat, Western New Guinea, Pacific Ocean, Indonesia, Asia

Pyjama Chromodoris quadricolor (Chromodoris Quadricolor) Magnificent star snail, nudibranch, Red Sea, Aqaba, Kingdom of Jordan

Clark's anemonefish (Amphiprion clarkii) in sea anemone (Entacmaea quadricolor), Philippines

Indonesia, Spine-cheek anemonefish (Premnas biaculeatus) hiding in anemone.

Indonesia, Male spine-cheek clownfish (Premnas biaculeatus) within sea anemone (Entacmaea quadricolor).

Indonesia, Spine-cheek anemonefish (Premnas biaculeatus) hiding in anemone.

Indonesia, Spine-cheek anemonefish (Premnas biaculeatus) hiding in anemone.

Four-colour nudibranch (Godiva quadricolor) on a plastic bottle in Laguna Torrefumo, Mediterranean sea, Italy

Four-colour nudibranch (Godiva quadricolor), Laguna Torrefumo, Gulf of Naples, Tyrrhenian Sea, Mediterranean Sea