Neritina violacea (Gmelin, 1791)
Violet nerite
sihi,  Violet nerite,  ragas-ragas
Neritina violacea
photo by Coltro, Marcus

Family:  Neritidae (nerites)
Max. size:  2.5 cm ShL (male/unsexed)
Environment:  benthic; brackish; marine
Distribution:  Western Pacific: China, Japan and Philippines.
Diagnosis:   
Biology:  Length based on occurrence data; to be replaced with better reference.
IUCN Red List Status: (LC); Date assessed: 11 January 2010 Ref. 123251)
Threat to humans: 
Country info:  Known sporadically throughout the Philippines (Ref. 821). C: Ref. 821; O: Ref. 821.

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