Dendronotus robustus

Dendronotus robustus is a species of sea slug, a dendronotid nudibranch, a shell-less marine gastropod mollusc in the family Dendronotidae.

Distribution
This species was described from Whale Cove, Grand Menan, on the Atlantic Ocean coast of North America. It is an Arctic species which also occurs in Svalbard and northern Norway.

Description
Dendronotus robustus is a large dendronotid nudibranch, growing to at least 150 mm in length. The body is translucent red-brown. There are opaque white spots on the sides and back of the body, velar processes and rhinophore sheaths. The body shape is similar to Dendronotus albopunctatus, with a broad foot.