Etheostoma crossopterum

The fringed darter, Etheostoma crossopterum, also has been a research subject since 1997 when it was discovered in Illinois (Poly and Wilson, 1998; Poly, 2000, 2003), and additional studies are underway presently. Above is a picture of a nuptial male.

eggs of Etheostoma crossopterum

Eggs of a fringed darter, Etheostoma crossopterum, from Illinois (Spring 2001, photo by W.J. Poly).

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Ichthyology at the Academy RR

Ichthyology at the Academy

The Department of Ichthyology is home to one of the largest and most important collections of fishes in the world, and is designated as one of eight International Centers for Ichthyology in North America. Meet the researchers, explore projects and expeditions, and more.