It is more commonly known as Hypselodoris_picta_verdensis but this is an unaccepted name accoding to WORMS database. The accepted name for the sp is Felimare tema:
Diving in Sal, Cabo Verde.
"Felimare tema" is a species of sea slug or dorid nudibranch, a marine gastropod mollusc in the family Chromodorididae.
Similar species: Sea Slugs
Uploaded Dec 22, 2022. Captured Nov 10, 2022 15:56 in H3JR+HC Santa Maria, Cape Verde.