Ryan Photographic - Plakobranchidae - Opisthobranch molluscs
Family Plakobranchidae
The family Plakobranchidae is represented by 131 species in four genera. The vast majority are in the genus Elysia. As sacoglossan sea slugs they are mostly "sapsuckers" although strictly speaking only marine vascular plants possess "sap".
Elysia crispata Lettuce Sea Slug

Elysia crispata Lettuce Sea Slug, Roatan IMG_2933
Elysia species

Elysia species Raja Ampat West Papua IMG_0411

Elysia species Raja Ampat West Papua IMG_0412
Plakobranchus ocellatus, Ocellated seaslug

Plakobranchus ocellatus Ocellated plakobranchus Raja Ampat West Papua IMG_3319

Plakobranchus ocellatus, Ocellated seaslug, Raja Ampat IMG_0940
Thuridilla gracilis Slender sapsucking slug

Thuridilla gracilis Slender sapsucking slug, Raja Ampat, West Papua IMG_0524

Thuridilla gracilis, Slender sapsucking slug, This species is quite variable in color. Raja Ampat, West Papua IMG_1025

Thuridilla gracilis, Slender sapsucking slug, Raja Ampat, West Papua IMG_1025