The Mekong giant catfish has one of the fastest growth rates of any fish in the world. It can reach up to 440 pounds in only six years. They can live up to 60 years. Highly migratory, the species ...

These fish had never been scientifically classified ... Several Hypancistrus yudja, or Yudjá armored catfish. Photos from Sousa, Sousa, Oliveira, Sabaj, Zuanon and Rapp Py-Daniel (2025) Photos ...

Photos show the catfish’s “astonishing array of color patterns.” The fish vary in hue — ranging from pinkish to orangish to cream — and in the density of their typically brown markings.