| Rostanga arbutus | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Heterobranchia |
| Order: | Nudibranchia |
| Suborder: | Doridina |
| Superfamily: | Doridoidea |
| Family: | Discodorididae |
| Genus: | Rostanga |
| Species: | R. arbutus |
| Binomial name | |
| Rostanga arbutus | |
Rostanga arbutus is a species of sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Discodorididae .
This species was described from New South Wales, Australia. It was thought to be widely distributed, but this was due to confusion with other species. [2]
This dorid nudibranch is bright orange to reddish-orange in colour, and the dorsum is covered with caryophyllidia. It is very similar to other species of Rostanga, but it is distinguished by a series of white markings, the mantle glands, which are just inside the mantle edge. [2] [3]
This species is found mostly in the intertidal zone on the red sponge, Ophlitaspongia aceratoobtusa (family Microcionidae) on which it presumably feeds. [2] Most other species of Rostanga also feed on sponges of the family Microcionidae.
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