Definition
The genus *Neritina* includes a group of small, freshwater and brackish-water snails. They are popular in aquariums for their algae-eating abilities. *Neritina* snails are found in tropical and subtropical regions around the world. They are recognized by their smooth, often patterned shells. Think of them as the efficient algae cleaners of the aquarium world 🐟. They help maintain water quality.