Tayuva Lilacina
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''Tayuva lilacina'' is a
species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
of
sea slug Sea slug is a common name for some marine invertebrates with varying levels of resemblance to terrestrial slugs. Most creatures known as sea slugs are gastropods, i.e. they are sea snails (marine gastropod mollusks) that over evolutionary t ...
, a dorid
nudibranch Nudibranchs () are a group of soft-bodied marine gastropod molluscs which shed their shells after their larval stage. They are noted for their often extraordinary colours and striking forms, and they have been given colourful nicknames to matc ...
, shell-less
marine Marine is an adjective meaning of or pertaining to the sea or ocean. Marine or marines may refer to: Ocean * Maritime (disambiguation) * Marine art * Marine biology * Marine debris * Marine habitats * Marine life * Marine pollution Military * ...
gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...
mollusk 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 e ...
s in the family
Discodorididae Discodorididae is a taxonomic family of sea slugs, specifically dorid nudibranchs, marine gastropod mollusks in the superfamily Doridoidea.Bouchet, P. (2011). Discodorididae. Accessed through: World Register of Marine Species at http://www.mari ...
.Bouchet, P. (2011)
''Tayuva lilacina'' (Gould, 1852).
Accessed through: World Register of Marine Species on 2011-08-23.
A number of species descriptions are considered to be synonyms.


Distribution

This species was described from
Honolulu Honolulu (; ) is the capital and largest city of the U.S. state of Hawaii, which is in the Pacific Ocean. It is an unincorporated county seat of the consolidated City and County of Honolulu, situated along the southeast coast of the island ...
,
Oahu Oahu () (Hawaiian language, Hawaiian: ''Oʻahu'' ()), also known as "The Gathering place#Island of Oʻahu as The Gathering Place, Gathering Place", is the third-largest of the Hawaiian Islands. It is home to roughly one million people—over t ...
,
Sandwich Islands The Hawaiian Islands ( haw, Nā Mokupuni o Hawai‘i) are an archipelago of eight major islands, several atolls, and numerous smaller islets in the North Pacific Ocean, extending some from the island of Hawaii in the south to northernmost Kur ...
. It has been reported widely in the Indo-Central Pacific and from the Pacific coast of Mexico and the
Canary Islands The Canary Islands (; es, Canarias, ), also known informally as the Canaries, are a Spanish autonomous community and archipelago in the Atlantic Ocean, in Macaronesia. At their closest point to the African mainland, they are west of Morocc ...
. This wide distribution suggests that it is probably a species complex, but it has been considered to be an invasive species.Streftaris, N.; Zenetos, A.; Papathanassiou, E. (2005). ''Globalisation in marine ecosystems: the story of non-indigenous marine species across European seas.'' Oceanogr. Mar. Biol. Annu. Rev. 43: 419-453


Description

The maximum recorded body length is 50 mmWelch 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. or up to 120 mm.


Ecology

Minimum recorded depth is 0.5 m. Maximum recorded depth is 63 m. ''Tayuva lilacina'' feeds on '' Haliclona caerulea'' according to the ''in situ'' observations on the Pacific coast of Mexico.Verdín Padilla C. J., Carballo J. L. & Camacho M. L. (2010). "A qualitative assessment of sponge-feeding organisms from the Mexican Pacific Coast". ''
Open Marine Biology Journal Bentham Science Publishers is a company that publishes scientific, technical, and medical journals and e-books. It publishes over 100 subscription-based academic journals and almost 40 open access journals. As of 2021, 40 Bentham Science journa ...
'' 4: 39–46
PDF
It is probably highly specialized on this sponge.


References


Further reading

* Keen M. (1971). ''Sea shells of Tropical West America. Marine mollusks from Baja California to Perú''. (2nd edit.). Stanford University Press pp. 1064 * Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). ''European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification''. Collection Patrimoines Naturels, 50: pp. 180–213 * Burn R. (2006) ''A checklist and bibliography of the Opisthobranchia (Mollusca: Gastropoda) of Victoria and the Bass Strait area, south-eastern Australia''. Museum Victoria Science Reports 10:1–42.


External links

* * {{Taxonbar, from=Q6779326 Discodorididae Gastropods described in 1852