Feeding characteristics

- Pangasius prefer live food, so they prey each other when they are young, especially during the fry stage that just finish reserve food in their yolk sac, which clearly shows their predatory nature and prey each other.

- To reduce the number of fish pret each other, farmers must quickly transfer them to the pond. Otherwise, they will continue to prey each other if the feed provided is not enough.

- Its stomach is large, can be distended, and is shaped like the letter U.

- The intestines are short, not very flexible, located under the swim bladder, near the genitals.

- During the nursery stage of the fry fish pond, in addition of feed provided, the fish feed by zooplankton and when the fish growth bigger, they feed with a variety of feeds at the benthic, such as algae, aquatic plant, shrimp, crabs, snails, insects, and small fish, etc.

- In pond, pangasius are able to adapt to many types of feed such as homemade feed, rice bran, kitchen waste, vegetables, and pelleted feed from companies.

- Homemade feed from meat source with high protein content cause fish growing fast (Nguyễn Văn Kiểm, 2004).