Yale researchers have discovered two new species of darter — small, colorful freshwater fishes — inhabiting short stretches of creeks and streams in central Alabama. And they already know that both ...

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: ...

Rainbow trout are the most common type of stocked trout, while golden rainbow trout are a unique hybrid species. Brook trout are the state fish and have a distinctive dark coloration with red spots ...

In the late-1970s, a small freshwater fish known as the snail darter made history when its newly acquired status as an endangered species helped to temporarily block construction of the Tellico Dam in ...