Cassis madagascariensis Lamarck, 1822
Emperor helmet
Cassis madagascariensis
photo by Coltro, Marcus

Family:  Cassidae (helmet and bonnet shells)
Max. size:  35 cm DL (male/unsexed)
Environment:  benthic; marine; depth range 3 - 183 m
Distribution:  Western Atlantic.
Diagnosis:  Shell very large, heavy. Spire short. Shell surface with 3 rows of large knobs on body whorl. Parietal shield large and well defined, triangular. Outer lip with inner tooth-like projections. Colour: pale cream, parietal shield pale to deep salmon. Outer lip entirely cream or cream white sometimes with light brown between teeth.
Biology:  Largest species of the family in the Atlantic ocean (Ref. 355). Maximum depth from Ref. 109264.
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans: 
Country info:   
 

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