Corey Dunn on Twitter: "Meet the Crystal Darter. It inhabits deep, swift shoals in big rivers only effectively sampled by trawl. This endangered fish's body is clear, but future is murky. Good
Crystallaria asprella (Jordan 1878) - Encyclopedia of Life
Crystal Darter3a
Corey Dunn on Twitter: "Another great spot for darters is inside bends. If substrates are sandy, look out for two species of aptly named – sand darters. If substrates are primarily small