This study evaluated the production performance of two species of catfish - Pabo Catfish (Ompok pabda) and Walking Catfish (Clarias batrachus) in six months of semi-intensive rearing. A three-time replica of each stocking density of O. pabda and C. batrachus was conducted. Fingerlings of O. pabda and C. Batrachus were stocked 15000 numbers/ha in Treatments (T) 1 (1.5: 1), 2 (1: 1) and 3 (1: 1.5), respectively. In T1, T2 and T3, the fish production was 3876 ± 94, 3992 102 and 4538 ± 112 kg / ha/ 180 days, respectively. Similarly, all treatments employed the same feed twice a day of the initial stocking of fry. The initial weight of both O. pabda and C. batrachus were 5±0.00g and initial lengths were 7.0 cm and 4.0 cm respectively. The average highest final weight recorded was in T3 (32 ± 3.43) g in O. pabda and C. Batrachus respectively. The average highest final length was observed in T3 (22 ± 0.05 cm) and (21.30 ± 0.09 cm) in O. pabda and C. Batrachus respectively. The survival rate of the stocked O. pabda and C. Batrachus was recorded 64 and 88% in T1; 69 and 90% in T2; 72 and 93.00 % in T3.
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