Pierre's armina
{{Short description|Species of gastropod}}
{{Automatic taxobox
| image = Pierre's armina feeding on purple sea pen DSC09784.jpg
| image_caption = Pierre's armina feeding on the purple sea pen Actinoptilum molle
| taxon = Armina
| species_text = A. sp.
| binomial_text = Armina sp.
}}
Pierre's armina, scientific name Armina sp. (as designated by Zsilavecz, 2007) {{cn|date=February 2023}}, is a species of sea slug, a nudibranch. It is a marine gastropod mollusc 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.{{cn|date=February 2023}}
Description
Pierre's armina grows up to {{cvt|70|mm|in}} 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.{{cite book|last=ZSILAVECZ|first=G.|year=2007|title=Nudibranchs of the Cape Peninsula and False Bay|isbn=0-620-38054-3}}
Ecology
Pierre's armina burrows in sand and feeds on the purple sea pen, Actinoptilum molle.