| Rostanga byga | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Order: | Nudibranchia |
| Family: | Discodorididae |
| Genus: | Rostanga |
| Species: | R. byga |
| Binomial name | |
| Rostanga byga Er. Marcus, 1958 | |
Rostanga byga is a species of sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Discodorididae.
Distribution
This species was described from the Caribbean Sea. Its distribution includes also Rio de Janeiro State, southeastern Brazil.
Description
This doric 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. The colour is very uniform, but the rhinophores have white tips.
The maximum recorded body length is 20 mm.
Ecology
The prey of Rostanga byga includes the sponge Mycale microsigmatosa. Recorded from depths of 0 m (0 ft) to 65 m (213 ft).
References
- ^ Marcus, E. (1958) On western Atlantic opisthobranchiate gastropods. American Museum of Natural History, Novitates, 1906: 1-82.
- ^ Belmonte T., Alvim J., Padula V. & Muricy G. (2015). "Spongivory by nudibranchs on the coast of Rio de Janeiro state, southeastern Brazil". Spixiana 38(2): 187–195. PDF.
- Rudman, W.B., 2006 (October18) Rostanga byga Er. Marcus, 1958. Sea Slug Forum. Australian Museum, Sydney.
- Photographs of a specimen from Florida
- ^ Welch J. J. (2010). "The “Island Rule” and Deep-Sea Gastropods: Re-Examining the Evidence". PLoS ONE 5(1): e8776. doi:10.1371/journal.pone.0008776.
| Taxon identifiers | |
|---|---|
| Rostanga byga | |