Aplysia californica

Cooper, 1863

Aplysia californica
Photographed by: Ken Tucker

Kingdom:Animalia
Phylum:Mollusca
Class:Gastropoda
Subclass:Opisthobranchia
Order:Anaspidea
Family:Aplysiidae
Species:Aplysia californica

Comment from Gary McDonald on photo #1511
The mottled tan or brown body color of Aplysia californica distinguishes it from Aplysia vaccaria which is uniform dark brown or black.

Comment from Richard Willan on photo #2476
I think this is more likely Aplysia californica (Aplysiidae). Normally it’s easy to tell Aplysia californica apart from Aplysia juliana because the parapodia of Aplysia californica fuse much lower down on the back, but that is not clear from this photo, so my guess is based on coloration.

Locality:

 

Pictures of Aplysia californica

Aplysia californica from La Jolla, USAIdentification reviewed by Gary McDonald
Location: La Jolla, USA
Posted 8 years ago
Viewed 895 times
 
 
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