Jambal Siam (Pangasius hypothalmus) or with the trade name Siammese Shark comes from the waters of Indonesia such as Sumatra and west Kalimantan, and Southeast Asia such as Thailand and Malaysia. Omnivora fish that are quite like this karnivora water temperature 27-30 ° C with a pH of 6,5-7,0 and 8 ° DH.
Size can reach 75 cm or with a weight about 8 kg. Black body and white bellies. There is also a type of albino-colored form, such as shark's body movements and very frisky. Siam Jambal this there are many species with a difference that is not too light.
Mother can start breeding secelah the age of 2.5 years with a weight of about 2.5 kg. Usually, production of eggs from the mother of a lot of 2.5 kg, approximately 70,000 grains. Then the parent has a greater number of the more eggs. The breeding is done by injection or artificial hormones hipofisa. Artificial hormone level is quite high, about 0.9 ml / kg parent given twice, the first and the second 0.3 ml 0.6 ml. While the degree of female hipofisa for 4 doses given twice, the first dose of 1.5 and 2.5 second dose.
needle on the male just as much as once dose 2.
Needle treatment, the eggs, incubation, and treatment flyblow fish is almost the same as the breeding Jelawat. Only difference lies in the form of a mother feeding snail meat or chopped fish rucah because it does karnivora.
Feed to maintain the good quality eggs. While flyblow jambal Siam can be artemia began swimming at the larger size.
Vessel enlargement seed can be a pond or dam. Feed seed pelet form. Seed ditebar the zoom for this size of about 5 cm. However, the size of Siam as jambal selling ornamental fish about 2-5 cm.
source: Darti S.L and D. Iwan PenebarSwadaya, 2006
