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Jambal catfish (Pangasius djambal) is a patin of indigenous species of Indonesia that are in great demand by consumers both local and export because it has white meat character and taste better. This study aims to determine the performance of larvae / catfish jambal fish on the character of growth and synthesis are maintained with different density of the spread. Test fish is larvae of catfish jambal result of spawning patin jambal F1 of selection result. Test fish kept in aquarium measuring 60 cm x 30 cm x 40 cm filled with water media as much as 25 liters. As the stocking density treatment carried out were 30, 60 and 90 head / liter. Maintenance performed for 28 days. The results showed that different density had significant effect on larvae growth of jambal catfish (p<0.05) but did not give a significant effect on larval larvae (p>0,05). The best growth was seen in the treatment of 30 head / liter which yielded the final weight of 1,1657 grams / tail while the lowest growth was seen in the 90 tail / liter treatment which yielded the final weight of 0.7306 gram/head. The synthesis values of treatments 30, 60 and 90 head/liter were 35.33%, 33.33% and 39.96%, respectively.

Growth and Survival of Larva/Patih Jambal Fish Seed (Pangasius djambal) Maintained Solidly Different Distribution