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Felimare villafranca = Hypselodoris villafranca
Felimare villafranca
Felimare villafranca
Lateral view
Felimare villafranca
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Felimare villafranca (Risso, 1818)
Felimare villafranca is a medium sized chromodorid nudibranch present in the Mediterranean and Eastern Atlantic ocean. It is usually found roaming on the grey sponge Dysidea fragilis. This species is uncommon and can also be found roaming on Posidonia oceanica. It is sufficiently distinct to be identified in the field.

Oral tentacles: 2 in number, very short.
Rhinophores: Deep blue in colour with a yellow line along the midrib, finely lamellate and retractable.
Cerata: Absent.
Gills: Retractable, unipinnate, blue in colour with an external central white to yellow line in the middle.
Body: Blue to dark blue; a yellow changing to white (anteriorly) submarginal edge is present. Yellow line often forming a network are present on the notum. A similar network is visible laterally. A specific character is the broken azure lines between the submarginal bands and the yellow central lines.
Foot: Blue with a lateral white to yellow network of lines. The white lines extend to the posterior part of the foot.

Size range: 15-20mm. Uncommon.

Specific characteristics: This species is easy to distinguish from related species by azure broken lines on the notum. See also Felimare fontandraui.
14mm Dahlet ix-Xmajjar 16m depth 3/03/94 Leg. J. Borg
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20mm Bahar ic-Caghaq 6m depth 2/04/94
Links:
Marine species
Opistobranquis.info
NUDIBRANCHIA
Chromodorididae
14mm Dahlet ix-Xmajjar 16m depth
3/03/94 Leg. J. Borg
20mm Bahar ic-Caghaq 6m depth 2/04/94
Lateral view