Glossodoris trimarginata   Winckworth,  1946 (Sea Slug)
Organism information awaits expert curation
Class: Gastropoda

Max. size: 40 x 22 mm

Color: Notum is cream or very pale green, with irregular reddish spots, varying a good deal in number and distribution scattered over the central area. The extreme edge of the mantle is white. Inside this is a narrow red band, and inside the red bands a slightly wider yellow band. The rhinophores are very pale green with white tips and opaque white edges to the foliations. The branchiae, usually eleven in number (sometimes twelve) are small, simply pinnate, white with the ribs and rhachis picked out in opaque white. Posterior plumes smaller than the anterior plumes. The under surface of the mantle shows the same colored margins as above. The large oral tentacles are white. The foot is grooved in front, translucent white. It projects beyond the mantle as a flattish tail, which is cream white and has no spots above or below.

The radula consists of simply hamate teeth mostly with 7 lateral denticles, the number varying from 5 to 7 and occasionally to 9. Formula: 60 x 50.0.50. The buccal armature consists of bifid rods.

Synonym (s)

Common Name (s)
Economic Importance and Threats



• Maharashtra, Mumbai INDIA

Literature Source(s)
  • Winckworth, HC (1946) Glossodoris from Bombay Journal of Molluscan Studies Malacological Society of London 26(6) 155-160 Available at -
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -

Page last updated on:2010-11-30

Back to Search