Jeff Rotman / Snorkeler holding Sea Cucumber (Holothuria edulis) swimming with wild Bottlenose Dolphin (Tursiops truncatus), Nuweiba, Egypt - Red Sea. Model released Model released.

Georgette Douwma / Burrowing sea cucumber (Neothyonidium magnum). The massive tentacular crown is the only part that is visible, the rest is buried in the sand. Feeds by picking particles out of the water with the tenta...

Jeff Rotman / Scarlet Psolus Sea Cucumber (Psolus fabricii), feeding with arm in mouth. Bay of Fundy, Canada, Atlantic Ocean.

Constantinos Petrinos / Harlequin crab on Sea cucumber {Lissocarcinus orbicularis} Sulawesi, Indonesia

Jeff Rotman / Bottlenose dolphin (Tursiops truncatus) plays with sea cucumber, Red Sea

GEORGETTE DOUWMA / Yellow sea cucumber (Colochirus robustus) on sponge. Komdo National Park, Indonesia

GEORGETTE DOUWMA / Sea cucumber (Holothuria / Halodeima edulis) edible species served as "sea slug", "trepan" or "Beche de Mer". Indonesia.

GEORGETTE DOUWMA / Black sea cucumber (Stichopus chloronotus) on seabed, Indonesia

Georgette Douwma / Sea apple (Pseudocolochirus violaceus), a sea cucumber, feeds by filtering the water column with its tentacular crown, successively bringing each arm into its mouth to deliver food particles. Komodo N...

Georgette Douwma / Sea apple (Pseudocolochirus violaceus), a sea cucumber, feeds by filtering the water column with its tentacular crown, successively bringing each arm into its mouth to deliver food particles. Komodo N...

Georgette Douwma / Sea apple (Pseudocolochirus violaceus), a sea cucumber, feeds by filtering the water column with its tentacular crown, successively bringing each arm into its mouth to deliver food particles. Komodo N...

Georgette Douwma / Sea apple (Pseudocolochirus violaceus), a sea cucumber, feeds by filtering the water column with its tentacular crown, successively bringing each arm into its mouth to deliver food particles. Komodo N...