Cyerce nigricans

Cyerce nigricans
Cyerce nigricans on Chlorodesmis fastigiata. Locality: Lizard Island, Great Barrier Reef. The length of the slug is about 4 cm.
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Family: Hermaeidae
Genus: Cyerce
Species:
C. nigricans
Binomial name
Cyerce nigricans
(Pease, 1866)

Cyerce nigricans is a species of sacoglossan sea slug, a shell-less marine opisthobranch gastropod mollusk in the family Caliphyllidae.