Spotted sea hare

The Spotted sea hare, Aplysia dactylomela, is a species of large sea slug, a marine opisthobranch gastropod in the family Aplysiidae, the sea hares.
As traditionally defined, this species of sea hare was cosmopolitan, being found in almost all tropical and warm temperate seas, including the Mediterranean Sea where first seen in 2002 and likely self-established due to increasing temperatures.