Los Angeles Okenia
Okenia angelensis Lance, 1966
Description: 2
Ground color translucent greyish-white, with a few flecks of yellow to white on dorsum and sides of body, and with irregular patches of reddish-brown dots on dorsum; occasional individuals may bear scatterings of bluish-green on dorsum. Dorsum bears a few cylindrical, elongate, blunt tipped processes, 6-9 of which occur dorso-laterally along pallial ridge on either side; a pair of processes occurs anterior of the rhinophores, and 4-5 medially on dorsum between rhinohores and branchial plumes. Rhinophores long and slightly tapered to blunt tips, they bear 1-3 incomplete lamellae on posterior face. Branchial plumes 5-7, uni- to bipinnate, arranged in an irregular semi-circle, they are translucent greyish-white with a few flecks of yellow and brown. Labial tentacles digitiform.
Size 2
Up to 12mm in length.
Geographic Range 2
San Francisco Bay, CA, to Bahía de los Ángeles, Baja California, Mexico; Chile.
Notes 2
Found in the intertidal and shallow subtidal, most often on floating docks and pilings in bays.
References 2
GOSLINER, T. M., & H. BERTSCH. 2004. Systematics of Okenia from the Pacific coast of North America (Nudibranchia: Goniodorididae) with descriptions of three new species. Proceedings of the California Academy of Sciences, series 4, 55(22):414-430. PDF
SOUTHERN CALIFORNIA ASSOCIATION OF MARINE INVERTEBRATE TAXONOMISTS. 2018. A taxonomic listing of benthic macro- and megainvertebrates from infaunal & epibenthic monitoring and research programs in the southern California bight, edition 12, 1 July 2018, xviii + 167 pp. PDF
Additional Info 2
Sources and Credits
- (c) Gary McDonald, all rights reserved, uploaded by Gary McDonald
- (c) Gary McDonald, some rights reserved (CC BY-SA)
More Info
iNat Map
| Body | limaciform |
|---|---|
| Classification | Doridina |
| Dorsum | tuberculate |
| Labial tentacles | digitiform |
| Rhinophores | unique |
