Nerita Radiata
''Nerita'' is a genus of medium-sized to small sea snails with a gill and an operculum (gastropod), operculum, marine (ocean), marine gastropod molluscs in the subfamily Neritinae of the family (biology), family Neritidae, the nerites.MolluscaBase eds. (2021). MolluscaBase. Nerita Linnaeus, 1758. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=138254 on 2021-09-20 This is the type genus of the family Neritidae. Distribution and habitat Species of ''Nerita'' can be found worldwide in tropical waters in the middle and upper intertidal zones. They are gregarious herbivores. Description The thick shell is broadly ovate or globular and low-spired. It has a smooth surface. The shells are spirally ribbed or show some axial Sculpture (mollusc), sculpturing. The ventral side has a large columellar callus or parietal wall. The callus shows small pustules. The aperture (mollusc), aperture and the edge of the columella are usua ...
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Nerita Tessellata
''Nerita tessellata'', sometimes known as the checkered nerite, is a species of tropical sea snail with a gill and an operculum (gastropod), operculum, a nerite, a marine (ocean), marine gastropod mollusk in the family Neritidae, the nerites. Distribution This nerite occurs on the shores of the Western Atlantic Ocean including Florida, Puerto Rico, Mexico, Belize, Honduras, Costa Rica, Panama, Colombia, Venezuela, the West Indies and Brazil."''Nerita tessellata'' Gmelin, 1791"
Malacolog Version 4.1.1. A Database of Western Atlantic Marine Mollusca, accessed 15 June 2010.

Habitat

This species lives high up in the intertidal zone on rocks.

Description

The shell of this nerite can be as large as 25 mm. The background shell color is black, usually with white m ...
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