Caridina

Caridina is a genus of freshwater atyid shrimp. They are widely found in tropical or subtropical water in Asia, Oceania and Africa. They are filter-feeders, collector-gatherers and omnivorous scavengers. They range from 0.9–9.8 mm (C. cantonensis) to 1.2–7.4 mm (C. serrata) in carapace length.