Pleasant Chelidonura

Chelidonura amoena

''Chelidonura amoena'' is a species of sea slug, or "headshield slug", a marine opisthobranch gastropod mollusk in the family Aglajidae.
Lovely headshield slug (Chelidonura_amoena) Cabilao, Oct 7, 2012
Is a whitish headshield slug, with varying amounts of stippled gray to brown patches, and commonly yellow margins in the head, tail and foot.
Habitat: West Pacific to Papua New Guinea, Palau and Japan. Chelidonura amoena,Geotagged,Philippines

Distribution

''Chelidonura amoena'' is widespread throughout the tropical waters of the central area of Indo-Pacific region.

References:

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Taxonomy
KingdomAnimalia
DivisionMollusca
ClassGastropoda
OrderCephalaspidea
FamilyAglajidae
GenusChelidonura
SpeciesC. amoena