Rostanga crawfordi

Rostanga crawfordi is a species of sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Discodorididae. Originally described as Discodoris crawfordi, it was redescribed by Rudman & Avern as Rostanga australis. The two names were synonymised by Dayrat.^[3]

Rostanga crawfordi
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Nudibranchia
Family:	Discodorididae
Genus:	Rostanga
Species:	R. crawfordi
Binomial name
Rostanga crawfordi (Burn, 1969)[1]
Synonyms
Rostanga australis Rudman & Avern, 1989 [2]

Distribution

This species was described from Port Phillip, Victoria, Australia. It is known only from Victoria, South Australia and Western Australia, Australia.^[3]

Description

This dorid nudibranch is pale orange-yellow to orange-pink in colour; the dorsum is covered with caryophyllidia.^[2][4]

Ecology

Rostanga crawfordi is found on the red sponge, Psammoclema, on which it presumably feeds.^[2] This sponge genus is currently classified in the family Chondropsidae. Most other species of Rostanga feed on sponges of the family Microcionidae.