Distribution data supplied by the Ocean Biodiversity Information System (OBIS). To interrogate UK data visit the NBN Atlas.Map Help
|Researched by||Rose Edwards||Refereed by||Admin|
|Authority||(O. F. Müller, 1776)|
|Other common names||-||Synonyms||-|
Onchidoris muricata has a maximum length of 1.4 cm and is usually white in colour but pale yellow individuals have been recorded. Also some rare individuals have been recorded with brown speckling on the mantle. Club-shaped stalked projections (tubercles) are visible on its mantle. Up to 11 gills can also be found at the rear of the mantle. The head is extended to form an oral veil, which lacks tentacles. The eggs are spawned in a ribbon, coiled several times.
Likely to be confused with Adalaria proxima, however Onchidoris muricata has club-shaped tubercles whereas Adalaria proxima tentacles are pointed. Also Adalaria proxima is a large species, it can grow to 1.7 cm in length.
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Last Updated: 08/04/2004