Rostanga byga

Rostanga byga
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Heterobranchia

clade Euthyneura
clade Nudipleura
clade Nudibranchia
clade Euctenidiacea
clade Doridacea

Superfamily: Doridoidea
Family: Discodorididae
Genus: Rostanga
Species: R. byga
Binomial name
Rostanga byga
Er. Marcus, 1958[1]

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.[2]

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.[1]

The maximum recorded body length is 20 mm.[3]

Ecology

Minimum recorded depth is 0 m.[3] Maximum recorded depth is 65 m.[3]

Prey of Rostanga byga include sponge Mycale microsigmatosa.[2]

References

  1. 1 2 Marcus, E. (1958) On western Atlantic opisthobranchiate gastropods. American Museum of Natural History, Novitates, 1906: 1-82.
  2. 1 2 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.
  3. 1 2 3 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.
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