Aquatic-arachnids
Guides
Unionicolidae
water mites
Unionicolidae is a family of water mites in the order Trombidiformes, comprising approximately 5 genera and at least 40 described species. Members are primarily freshwater aquatic arachnids distributed worldwide. Many species, particularly in the genus Unionicola, exhibit parasitic relationships with freshwater molluscs, feeding on host mucus and tissue. The family represents a significant component of Arachnida diversity in aquatic ecosystems.