Aldisa sanguinea
(Cooper, 1873)

Photographed by: Marli Wakeling
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Opisthobranchia |
| Order: | Nudibranchia |
| Suborder: | Doridina |
| Family: | Dorididae |
| Species: | Aldisa sanguinea |
Comment from Gary McDonald on photo #2890
Large specimens typically have 1 or 2 round, black spots on the midline of the dorsum, one just posterior of the rhinophores and the other just anterior of the branchial plumes, small specimens usually lack these spots.Locality:
- USA
- California (8) Jan, Mar, Apr, Nov, Dec
- Catalina Island (1) Jun
- Canada
- British Columbia (1) Jan