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 ...

Looking at the catfish, researchers quickly realized they’d discovered a new species: Hypancistrus yudja, or the Yudjá armored catfish. Yudjá armored catfish are considered “small ...

These catfish had never been scientifically classified, despite being popular aquarium pets for decades. Looking at the fish in a laboratory, researchers quickly realized they’d discovered a new ...