Home > Invertebrates > Shells > Nerites > Neritina granosa

Updated 11/26/2013

Family Neritidae

HAWAII - FRESHWATER

Neritina granosa 

Right, Iao Stream, Maui

HIHIWAI

Locally common in the middle reaches of pristine streams attached to boulders.  Threatened with extinction due to diversion of stream waters and construction of concrete stream banks.  Shell bumpy with white underside.  Attains 2 inches.  Endemic to Hawaii.