Looking at the fish in a laboratory, researchers quickly realized they’d discovered a new species: Hypancistrus seideli, or Seidel’s armored catfish. Seidel’s armored catfish are considered ...

Sapucaí River armored catfish live in shallow stony streams with “crystal-clear waters” and a “rapid flow,” the study said.

The battle against invasive species is a long and grueling one, but it is winnable. The first step is recognising that the locals on the frontlines are not just individuals fighting a losing battle ...

For years, "devil fish" in Mexico were worthless ... And a local chef has added the armored catfish to her menu. But is that enough to curb the invasion? More from True Cost A triangle pointing ...