Flabellina affinis on Eudendrium sp.
Flabellina affinis - details of rhinophores
Flabellina affinis
Flabellina affinis with spawn on Eudendrium sp.
Flabellina affinis (Gmelin, 1791)
Medium sized aeolid nudibranch found generally on Eudendrium sp. hydroids. The base colour is violet with red cerata and can be superficially confused with Flabellina pedata. Common in summer months.

Propodial tentacles: Present, violet with white tips, slightly recurved.
Oral tentacles: Present, white tipped, rugose.
Rhinophores: Violet with white tips, distinctly lamellate.
Cerata: Thin, distinctly red, with white tip and a subterminal purple ring.
Foot: Pale violet, without appendages.

Size range: 20-30mm. Common.

Specific characteristics: This species is easy to distinguish from related species by its colouration and lamellate rhinophores.

Identification by Dr. A. Perrone
30m Mercanti Reef 6m depth 9/07/92
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Close-up of head showing lamellate rhinophores
Flabellina affinis with spawn on Eudendrium sp.
28mm Zonqor Reef 7-8m depth 30/7/93
Marine species
Science Photo