2 arrow crabs on soft coral, Izu, Japan.

Pink soft coral (Dendronephthya) stalk with calcium carbonate spicules and polyps extended, Sinai, Red Sea.

Pink and orange soft coral, Sinai, Red Sea.

Pink and orange soft coral, Sinai, Red Sea.

Orange and white soft coral, Sinai, Red Sea.

Orange and white soft coral, Sinai, Red Sea.

Red hard coral (gorgonian), Sinai, Red Sea.

Pink and red soft coral, Sinai, Red Sea.

"Cherry Blossum" pink soft coral, Sinai, Red Sea.

Red crab on pink soft coral, Sinai, Red Sea.

Detail red hard coral (gorgonian), Sinai, Red Sea.

Soft coral polyps on extended stalks out and feeding, Sinai, Red Sea.

Soft coral polyps extended out for feeding, Sinai, Red Sea.

Hard, stoney coral polyps extended for feeding, Galapagos.

"Cherry Blossum" jellyfish, Izu, Japan.