Phyllidia
Observed: Koh Chang, 2015
Observed By: Jonathan Milnes
Phyllidia are a family of sea slugs that include the specimen pictured and its close relative the Varicose Wart Slug. This example lacks the bright yellow colour of the Varicose wart slug but is very similar in size and morphology. We’re not sure which species of Phyllidia it actually is.