Definition
The genus *Nerita* comprises a group of sea snails known for their robust shells and intertidal habitats. These snails are commonly found clinging to rocks in the splash zone, enduring constant wave action. They feed primarily on algae, keeping the rocky surfaces clean. *Nerita* snails have a distinctive, often colorful shell. Think of them as the resilient squatters of the tidal zone. They're hardy and adapted to withstand harsh conditions.