An experiment was conducted to compare production and economic performance of Thai Climbing Perch (Anabas
testudineus) and Tilapia (Oreochromis niloticus) under three management systems.The nursed juveniles of Thai
Climbing Perch (6.22 ± 0.15g) and Tilapia (22.52 ± 0.73g) were stocked at 50 Thai Climbing Perch per 1m
3
cage and
50 Tilapia per 80m
2
open pond (Caged Perch); 50 Tilapia per 1m
3
cage and 50 Thai Climbing Perch per 80 m
2
open
pond (Caged Tilapia); and both 50 Thai Climbing Perch and 50 Tilapia per 80m
2
pond (Mixed culture) as three
treatments with three replicates for each.