Nerita undata Linnaeus, 1758
Waved nerite
Nerita undata
photo by Coltro, Marcus

Family:  Neritidae (nerites)
Max. size:  4 cm SHL (male/unsexed)
Environment:  benthic; marine; depth range 0 - 3 m
Distribution:  Indo-Pacific: from East and South Africa, to eastern Polynesia; north to southern Japan, and south to southern Queensland and New Caledonia.
Diagnosis:  Shell surface with radial ridges. Columella with 3 teeth. Colouration: pale with variable dark blotches, at times uniformly bluish black with pale interior (Ref. 128042).
Biology:  Collected where common, for food and shellcraft, in many localities of the whole Indo-West Pacific (Ref. 349). In protected areas (Refs. 349, 128042). Common in intertidal rocks (Refs. 2925, 128042), often in crevices (Ref. 128042). Found in sandy shores, near the vicinity of the depression formed during low tides to avoid desiccation. Squirts water at its attacker when disturbed (Ref. 125338). Also found in mangrove areas (Ref. 129120).
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans:  harmless
Country info:   
 

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