The history of riverine fish diversification is largely a product of geographic isolation.
Physical barriers that reduce or eliminate gene flow between populations facilitate …

Species delimitation is fundamental to deciphering the mechanisms that generate and
maintain biodiversity. Alpha taxonomy historically relied on expert knowledge to describe …

Clinostomus (Leuciscidae) is a wide‐ranging freshwater fish genus that occurs throughout
eastern North America and southern portions of Canada with two species currently …

Subspecies often cause confusion in classification. One species where there has been this
taxonomic confusion is the Blacktail Shiner. The Blacktail Shiner, Cyprinella venusta …

Character displacement is a pattern that can be used to explain differences between similar
species in sympatric and allopatric situations. Gause's Principle explains that a niche can …

In 2013, we observed the presence of an undocumented Ammocrypta species in the lower
Flint River, Georgia. The occurrence represents the first record of the genus in Georgia …

Abstract The Eastern Pinesnake (Pituophis melanoleucus) is a polytypic wide-ranging
species occupying much of eastern North America with several disjunct populations. The …

Conservation biology in the 21st century must strike a delicate and regrettable balance
between two seemingly disparate priorities. On one hand, a central focus of conservation …