![Fishes . Fio. 417.—Crystal Darter, Crystallaria aspreUa (Jordan). Wabash River. banks of the Mississippi. Still more transparent is the smallsand- darter, Ammocrypta pellucida, which lives in the clearestof waters, concealing itself by plunging Fishes . Fio. 417.—Crystal Darter, Crystallaria aspreUa (Jordan). Wabash River. banks of the Mississippi. Still more transparent is the smallsand- darter, Ammocrypta pellucida, which lives in the clearestof waters, concealing itself by plunging](https://c8.alamy.com/comp/2AWY345/fishes-fio-417crystal-darter-crystallaria-aspreua-jordan-wabash-river-banks-of-the-mississippi-still-more-transparent-is-the-smallsand-darter-ammocrypta-pellucida-which-lives-in-the-clearestof-waters-concealing-itself-by-plunging-into-the-sand-itsscales-are-scantily-developed-as-befits-a-fish-that-chooses-this-fia-418sand-darter-ammocrypta-clara-jordan-meek-des-moines-river-method-of-protection-and-in-the-related-ammocrypta-bcani-ofthe-streams-of-the-louisiana-pine-woods-the-body-is-almostnaked-as-also-in-loa-vitrea-the-glassy-darter-of-the-pine-woodsof-north-caro-2AWY345.jpg)
Fishes . Fio. 417.—Crystal Darter, Crystallaria aspreUa (Jordan). Wabash River. banks of the Mississippi. Still more transparent is the smallsand- darter, Ammocrypta pellucida, which lives in the clearestof waters, concealing itself by plunging
![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 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](https://pbs.twimg.com/media/DkEwbehUwAA7G0C.jpg)
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
![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 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](https://pbs.twimg.com/media/EA411iKX4AA21Gl.jpg)