To properly care for a Pangasius catfish, sometimes called an iridescent shark, house one or more in a tank that is at least 100 gallons, keep the temperature from between 72 and 79 degrees Fahrenheit and keep them in a peaceful tank environment. The Pangasius catfish is a schooling fish that can be moderately difficult to keep.
The Pangasius catfish is an attractive fish that often receives plenty of attention from novice aquarists, but requires a more knowledgeable fish keeper. This species can grow to be more than 50 inches long and can live up to 20 years. It has very delicate skin and as it matures, will require a vegetarian diet.