Phalium glaucum (Linnaeus, 1758)
Grey bonnet
Phalium glaucum
photo by Poppe, Guido and Philippe

Family:  Cassidae (helmet and bonnet shells)
Max. size:  14 cm ShH (male/unsexed)
Environment:  benthic; marine; depth range 0 - 10 m
Distribution:  Indo-West Pacific: from East Africa, to Melanesia; north to Japan and south to northern Queensland.
Diagnosis:   
Biology:  Length based on occurrence record; to be replaced with better reference. Common on exposed sand flats and close to dead coral areas. Shallow subtidal zones. Feed on sea urchins of the "sand dollar" group. Egg capsules forming an irregular mass which is the result of several females spawning together (Ref. 349).
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans:  harmless
Country info:   
 

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