Iridescent Shark Cat - Pangasius hypophthalmus / Pangasius sutchi Also known as the Pangasius Catfish, Sutchi Catfish or Striped Catfish or Siamese Catfish. Size is about 2-2.5 inches. Being fed a mixture of bloodworms, sinking pellets and flakes. these beautiful and shiny catfish get to a massive size of 47 inches. With a sharp top fin shark like body shape they are known as “sharks”. They are slow growing and can be upsized overtime. Fantastic addition for any monster tank they have a peaceful demeanor. Very active during the day they are a “scaleless” fish.