Phylogenetic relationships based on genomic data and the results of PCAs using morphological data for each of the sister-species pairs examined in this study. Credit: Current Biology (2025). DOI: ...

WASHINGTON— In January 2025 a paper published in Current Biology (Ghezelayagh et al. 2025) explained that genetic analysis demonstrated that snail darters (Percina tanasi) represented a population of ...

In the 1970s, the discovery of the Tennessee snail darter in the Tellico River was used to halt completion of the Tellico Dam under the Endangered Species Act (a tale many law students learn in TVA v.

The snail darter is not a thing. It was just a common perch, say scientists. USFWS This one weird little fish — a beigeish critter found on sandy river bottoms in Tennessee and fond of munching on ...