Dendronotus robustus is a species of sea slug, a dendronotid nudibranch, a shell-less marine gastropod mollusc in the family Dendronotidae.[1]
This species was described from Whale Cove, Grand Menan, 44.7738°N -66.7605°W on the Atlantic Ocean coast of North America. It is an Arctic species which also occurs in Svalbard and northern Norway.
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.[2]