''Orienthella trilineata'', common name three-lined aeolid, is a
species of
sea slug, an aeolid
nudibranch, a
marine
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heterobranch mollusc
Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is esti ...
in the family
Flabellinidae.
[Bouchet, P. (2015)]
''Flabellina trilineata'' (O'Donoghue, 1921).
In: MolluscaBase (2015). Accessed through: World Register of Marine Species on 2015-11-07
Distribution
This species was described from
Nanoose Bay,
Regional District of Nanaimo
The Regional District of Nanaimo is a regional district located on the eastern coast of Vancouver Island, British Columbia, Canada. It is bordered to the south by the Cowichan Valley Regional District, to the west by the Alberni-Clayoquot Regi ...
,
Vancouver Island,
British Columbia,
Canada. ''Orienthella trilineata'' is a seasonally abundant aeolid ranging from
Baja California,
Mexico to
Alaska.
Diet
This species feeds on
hydroids, especially ''Tubularia'' spp. and ''Eudendrium californicum''.
Description
''Orienthella trilineata'' is a flabellinid nudibranch with a translucent body and three longitudinal white lines on the back and sides. The line down the middle of the back passes between the rhinophores where it splits and continues to the tips of the oral tentacles. The rhinophores are perfoliate and coloured white at the base but orange in the outer third. The digestive gland is either red or orange in colour. Maximum length is about 35mm.
[Rudman, W.B., 2000 (June 22]
''Flabellina trilineata'' (O'Donoghue, 1921).
n/nowiki> Sea Slug Forum. Australian Museum, Sydney.
References
Flabellinidae
Gastropods described in 1921
{{Flabellinidae-stub