Georgette Douwma / Leopard sea cucumber (Bohadschia argus) Lembeh, Sulawesi, Indonesia.

Birgitte Wilms / Leopard Sea Cucumber (Bohadschia argus), Papua New Guinea

Fred Bavendam / Leopard Sea Cucumber (Bohadschia argus) ejects mass of long white sticky tubules as a defense, Australia

GEORGETTE DOUWMA / Leopard sea cucumber on sea floor {Bohadschia argus} Great Barrier Reef, Australia

Doug Perrine / Leopard sea cucumber {Bohadschia argus} emitting sticky cuvierian tubules from anus as defense measure, Mabul Island, Borneo, Malaysia

Birgitte Wilms / Swimmer Crab (Lissocarcinus sp) on Leopard Sea Cucumber (Bohadschia argus) 50 feet deep, Solomon Islands

Chris Newbert / Leopard Sea Cucumber (Bohadschia argus) skin detail, Palau

Constantinos Petrinos / Leopard sea cucumber {Bohadschia argus} Sulawesi Indonesia

GEORGETTE DOUWMA / Leopard sea cucumber {Bohadschia argus} Great Barrier Reef, Australia

Constantinos Petrinos / Emperor shrimp {Periclimenes imperator / Zenopontonia rex} and tiny harlequin crab {Lissocarcinus orbicularis} on sea cucumber {Bohadschia argus} Sulawesi Indonesia

Juergen Freund / Leopard sea cucumber extrudes toxic tentacles in self defence

Pete Oxford / Leopard Sea Cucumber (Bohadschia argus) in coral reef, Lesser Sunda Islands, Indonesia