Nudi Pixel: Nudibranchs and Sea Slugs Identification with Photographs

Onchidoris bilamellata

Photographed by: Eddy Mannak

Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Opisthobranchia
Order:	Nudibranchia
Suborder:	Doridina
Family:	Onchidorididae
Species:	Onchidoris bilamellata

This is one of the few nudibranchs to spawn en masse. This photo shows three individuals surrounded by white coils of spawn.

This is one of the few nudibranchs to spawn en masse. This photo shows one individual surrounded by white coils of spawn.

This photo shows two mating individuals

This moderately large dorid nudibranch is characterised by the brown pigment on the mantle, the numerous club-shaped papillae with rounded tips, and by the numerous gills arranged in a horse-shoe.

Locality:

• Netherlands
  • Zeeland (4) Mar
• USA
  • California (3) Nov
  • Maine (1) Aug
  • Washington (1) Apr
• UK
  • Scotland (1) Aug
• Canada
  • British Columbia (1) Jul

 

Pictures of Onchidoris bilamellata

« Lomanotus genei | Other species from Scotland, UK | Onchidoris muricata »

 

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