Piseinotecus gabinierei is a rare aeolid generally found in
coralligenous biocoenosis on Polysiphonia sp. Its base
colour is a hyaline white with deep dark red cerata. The
reproductive organs can be viewed as cream coloured by
transparency (of the body).
Propodial tentacles: 2 in number, very short, slightly
recurved. Oral tentacles: 2 in number, longer than the rhinphores,
with white superficial pigment. Rhinophores: Whitish, with distinct annuli (almost bubble
shaped). Cerata: Present, dark red in colour with white tips. Foot: Transparent without any appendages.
Size range: 14-18mm. Very Rare.
Specific characteristics: This species is easy to
distinguish in the field by the bubble shapes or wrinkles
on the rhinophores and the ceratal colour.