Tectarius grandinatus (Gmelin, 1791)
Hailstorm prickly-winkle
Tectarius grandinatus
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: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans:  harmless
Country info:  Known throughout the Philippines (Ref. 821) and Borongan Village, Samar (Ref. 8319). C: Ref. 821; M: Ref. 349; O: Refs. 821, 8319.

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