Nembrotha rosannulata

Nembrotha rosannulata is a species of colorful sea slug, a dorid nudibranch, a marine gastropod mollusk in the family Polyceridae. It was first described in 2008.[1]

Nembrotha rosannulata
A live individual of Nembrotha rosannulata, head end towards the left
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Heterobranchia
clade Euthyneura
clade Nudipleura
clade Nudibranchia
clade Euctenidiacea
clade Doridacea
Superfamily:
Polyceroidea
Family:
Polyceridae
Subfamily:
Nembrothinae
Genus:
Nembrotha
Species:
N. rosannulata
Binomial name
Nembrotha rosannulata
Pola, Cervera & Gosliner, 2008

Distribution

This species is known only from Eastern Australia (Northern New South Wales & Southern Great Barrier Reef). It is most commonly seen at Cabbage Tree Island, Port Stephens, NSW.

Description

Nembrotha rosannulata is a large dull green nembrothid that grows to at least 12 cm in length. The body is textured with rounded longitudinal ridges and scattered raised pustules of various sizes. The pustules are black and each is surrounded by a pink ring which give this species its characteristic colour pattern - and name. The rhinophores are black, and the pink rhinophores sheaths are edged in black. The front of the mantle has a pink band which is edged in black, and the oral tentacles are pink with black tips. The gill stalks and branches are pink while the gill pinnae are black.

Ecology

Present information suggest that this nudibranch feeds exclusively on the stalked ascidian Sigillina cyanea.

gollark: Actually, if you would provide VAST quantities of data so I don't have to harvest it manually that would be great?
gollark: Although their thing could just be ignoring blocking fields.
gollark: This does break knights, admittedly.
gollark: You just define the direction of each piece and the proportion of each turn to assign to each one also.
gollark: Actually, I have a way continuous chess could work in realtime too.

References
  1. Sea Slug Forum, Pola, M., Cervera, J.L. and Gosliner, T.M. 2008. Revision of the Indo-Pacific genus Nembrotha (Nudibranchia: Dorididae: Polyceridae), with description of two new species. Scientia Marina 72(1): 145-183..
  • "Sea Slug Forum" info at:
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