The Freshwater Information Network is an initiative to provide an online database of freshwater life.
This federally endangered species is restricted to streams in the Caney Fork River System in north-central Tennessee. Bluemask Darters are threatened from reservoir construction, invasive species (Redbreast Sunfish, Lepomis auritus), an unusual habitat where rivers seasonally dry, and a small native range. The common name reflects the bright blue cheek and throat coloration (mask) that male Bluemask Darters develop during the breeding season.
The Freshwater Information Network is an initiative to provide an online database of freshwater life.