Deep below the surface of a river in northern Brazil, a “shy” creature tucked its “armored” body into a rocky crevice. Divers ...

In a river of northeastern Brazil, an “armored” creature with “large” eyes paused to rest against a rock. The maze-like ...

In the century that followed, the snakehead was caught and identified a handful of times, sometimes mistaken for other ...

The fish also experiences reduced population sizes due to drought and incidental capture during pursuit of commercial bait fishes. In the Cimarron River, competition with the nonnative Red River ...

WASHINGTON—The U.S. Fish and ... along the Red River in Louisiana, and the Rio Grande River in New Mexico and Texas. In winter they migrate to coastal areas of Central and South America and the ...