Costasiella usagi

Costasiella usagi

Costasiella usagi is a species of sacoglossan sea slug, a shell-less marine opisthobranch gastropod mollusk in the family Costasiellidae. It has the ability to incorporate chloroplasts from the algae it feeds on into its body and use them to do photosynthesis.
Taxonomy
KingdomAnimalia
DivisionMollusca
ClassGastropoda
OrderPlakobranchacea
FamilyCostasiellidae
GenusCostasiella
SpeciesCostasiella usagi
Photographed in
Philippines