sea dragon pteraeolidia ianthina

Sea Dragon – Facts and Photographs

The Sea Dragon Pteraeolidia ianthina or Blue Dragon as it is known in Australia  is a dorid nudibranch, a marine gastropod mollusk. They are in the superfamily Aeolidioidea and are known as aeolids. APPEAR...
Willey's Halgerda Halgerda willeyi

Willey’s Halgerda – Facts and Photographs

Willey's halgerda, Halgerda willeyi is a dorid nudibranch. As with other nudibranchs, they are shell-less marine gastropod mollusks. To make up for the lack of protection from not having a shell, they are h...
Halgerda toliara

Halgerda toliara

A beautiful white, black-tipped and yellow-web lined Halgerda toliara nudibranch, photographed on the reef of Jena Wall outside of Mafia Island's Chole Bay.
Roboastra luteolineata

Roboastra Luteolineata Nudibranch

Roboastra luteolineata is a sea slug known as a polycerid nudibranch, marine gastropod mollusc's in the family Polyceridae. The family Polyceridae is distinguished from other nudibranchs by having by having...