Brown ridged nudibranch

The brown ridged nudibranch, Dermatobranchus sp. 4, as designated by Gosliner, 1987, is a species of nudibranch. It is a marine gastropod mollusc in the family Arminidae. As at November 2009, it remained undescribed by science.

brown ridged nudibranch
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Heterobranchia

clade Euthyneura
clade Nudipleura
clade Nudibranchia
clade Dexiarchia
clade Cladobranchia

clade Euarminida
Superfamily:
Arminoidea
Family:
Arminidae
Genus:
Dermatobranchus
Binomial name
Dermatobranchus sp. 4

Distribution

This species has to date only been found off South Africa, on both coasts of the Cape Peninsula, in 10–30 m of water.[1] It appears to be endemic.

Description

The brown ridged nudibranch is a small nudibranch, reaching 25 mm in total length. It is pale-bodied with narrow white ridges running longitudinally down its body. Variable brown blotches run across its body with a distinct brown collar at the head area. Its pale rhinophores are oval with longitudinal ridges.[2]

Ecology

References
  1. GOSLINER, T.M. 1987. Nudibranchs of Southern Africa ISBN 0-930118-13-8
  2. ZSILAVECZ, G. 2007. Nudibranchs of the Cape Peninsula and False Bay. ISBN 0-620-38054-3
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