Tenellia perca

Tenellia perca, common name Lake Merritt cuthona, is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusk in the family Fionidae.^[1]

Tenellia perca
Tenellia perca from Lake Merritt, Oakland, California
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Nudibranchia
Suborder:	Cladobranchia
Superfamily:	Fionoidea
Family:	Trinchesiidae
Genus:	Tenellia
Species:	T. perca
Binomial name
Tenellia perca (Er. Marcus, 1958)
Synonyms
Catriona perca Marcus Er., 1958 Cuthona perca (Er. Marcus, 1958)