Artificial Reef Field Guide: Okenia okenia
Code(s)OKSP
Id Number925
TaxaInvertebrate
MobilityMobile
Colonial / SolitarySolitary
Typical Substrate TypeHard
Species Description
nudibranch - to 12 mm, yellow, lamellate rhinophores, the dorsum bears a series of cylindrical dorsal processes (5-9) along the edge of the notum and several more surround the branchial tube.
Species Habitat
subtidal
Species Range
San Francisco Bay to Baja