Okenia rosacea
 Okenia rosacea is a species of sea slug specifically a dorid nudibranch a marine gastropod mollusc in the family Goniodorididae. They can be found along the coast of western North America from Oregon to Baja California.These pink sea slugs are characterized by numerous long papillae on their back tapering into a round tip. These papillae are sometimes more or less white at their tips.