Pierre's armina,
scientific name
In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...
''Armina'' sp. (as designated by Zsilavecz, 2007), is a
species of
sea slug, a
nudibranch. It is a
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 ...
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 Arminidae. This species was
undescribed by science as of November 2009.
Distribution
In 2009, this species had only been found off
South Africa, in False Bay off Windmill Beach, in at least 10 m of water. It appears to be
endemic.
Description
Pierre's armina grows up to 70 mm in length. It is a black-bodied nudibranch with raised white longitudinal ridges. The edge of the mantle is yellow and the foot is pinkish with a yellow margin. It has small ridged
rhinophores, which are close together at their base.
[ZSILAVECZ, G. 2007. ''Nudibranchs of the Cape Peninsula and False Bay''. ]
Ecology
Pierre's armina burrows in sand and feeds on the purple
sea pen, ''
Actinoptilum molle
''Actinoptilum'' is a genus of sea pen in the family Echinoptilidae. It is monotypic with a single species, ''Actinoptilum molle'', commonly known as the radial sea pen or purple sea pen, which is found off the coasts of South Africa.Jones, Georg ...
''.
References
{{Taxonbar, from=Q7191953
Arminidae
Undescribed gastropod species