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

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

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

These fish had never been scientifically classified ... Hypancistrus yudja, or the Yudjá armored catfish. Yudjá armored catfish are considered “small,” reaching up to 2.5 inches in length ...