Tenellia perca explained

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]

Notes and References

1. Marcus. Er.. 1958. On western Atlantic opisthobranchiate gastropods. American Museum Novitates . 1906. 1–82.