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: ...

This one weird little fish — a beigeish critter found on sandy river bottoms in Tennessee and fond of munching on snails and water bugs — just upset 50 years of environmental efforts aimed at ...

As a pre-teen, I knew all about the absurd late-1970s situation where litigation over the supposedly endangered snail darter fish was delaying completion of the Tellico Dam on the Little Tennessee ...

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 ...