Willan's Chromodoris

Chromodoris willani

''Chromodoris willani'' is a species of sea slug, a dorid nudibranch, a shell-less marine gastropod mollusk in the family Chromodorididae. The species is named for the renowned nudibranch taxonomist Dr. Richard C. Willan.
Willan's Chromodoris (Chromodoris willani) Monument, Lembeh -night dive. Chromodoris willani,Geotagged,Indonesia,Spring

Appearance

''Chromodoris willani'' is similar in appearance to ''Chromodoris lochi'', ''Chromodoris boucheti'' and ''Chromodoris dianae''. This species can be distinguished by the very prominent white specks found on the gills and rhinophores.

Individuals in this species can range in color from dark blue to a translucent white. All have black stripes with the center-most stripe typically being non-continuous.
Willan's Chromodoris To 3.5 cm. Pale blue with dark blue broken encircling band on dorsum. White speckling on large blue rhinophores and on gills.
South Rock dive site in Lankayan Island, Borneo.  Chromodoris willani,Fall,Geotagged,Malaysia

Distribution

This nudibranch is found in the Western Pacific Ocean, from Indonesia and the Philippines to Vanuatu.

References:

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Taxonomy
KingdomAnimalia
DivisionMollusca
ClassGastropoda
OrderNudibranchia
FamilyChromodorididae
GenusChromodoris
SpeciesC. willani