Scientists discovered new fish species. These include a blob-headed catfish, a tiny pipehorse, and three pacu species.

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Wu Y-H, Yu Z-B, Kilunda FK, Lu C-Q, Li J-H, Li Y-P, Shi Y-J, Che J (2025) ZooKeys A Hypancistrus seideli, or Seidel’s armored catfish, in its natural habitat. Photo from Sousa, Sousa ...

Published Feb. 6 | Read More | A Hypancistrus seideli, or Seidel’s armored catfish, in its natural habitat. Photo from Sousa, Sousa, Oliveira, Sabaj, Zuanon and Rapp Py-Daniel (2025) In Brazil ...