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Cassis madagascariensis
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. On sand bottoms near seagrass beds, at shallow subtidal depths (Ref. 355).
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans: 
Country info:   
 

Source and more info: www.sealifebase.org. For personal, classroom, and other internal use only. Not for publication.



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