~2cm bl. On dock at Bayside Marina, Newport Beach, Orange County, CA. 7/12/11. © Peter J. Bryant

Sorcerer's Nudibranch

Polycera atra

Nudibranchiata: Polyceridae

Found from Cape Arago, Oregon to Baja California, Mexico

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Sex organ. 5/13/17. © Rex Barnard

Video of three individuals mating
. © Rex Barnard

Alamitos Bay, Long Beach, Orange County, CA. 5/22/2007. © Ángel A. Valdés.

~4mm bl. On dock at Balboa Island at Coral Street, Newport Beach, Orange County, CA. 7/04/14. © Peter J. Bryant

~4mm bl. On dock at Balboa Island at Coral Street, Newport Beach, Orange County, CA. 7/04/14. © Peter J. Bryant

~4mm bl. On dock at Balboa Island at Coral Street, Newport Beach, Orange County, CA. 7/04/14. © Peter J. Bryant

Detail of gills from 4mm individual. On dock at Balboa Island at Coral Street, Newport Beach, Orange County, CA. 7/04/14. © Peter J. Bryant

On mussels from Newport Pier, Newport Beach, Orange County, CA. 6/29/2016. © Peter J. Bryant