Tectarius grandinatus (Gmelin, 1791)
Hailstorm prickly-winkle
photo by FAO

Family:  Littorinidae (periwinkles)
Max. size:  4 cm ShH (male/unsexed)
Environment:  reef-associated; marine
Distribution:  Pacific Ocean: from the Philippines to Tonga, Cook Islands and French Polynesia.
Diagnosis:   
Biology:  Also found on jagged pieces of raised reef. Occurs at the high tide mark (Ref. 349).
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans:  harmless
Country info:   
 

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