| Studied Treatments | Water contents (%) | Total protein (% of wet weight) | Total lipids (% of wet weight) | Ash (%) |
| Group I Control group (Fish reared in dechlorinated tap water and fed commercial diet) | 76.0 ± 0.37 B | 18.0 ± 0.18 A | 3.23 ± 0.09 A | 1.47 ± 0.02 C |
| Group II (Fish reared in drainage water and fed commercial diet) | 82.0 ± 0.40 A | 12.8 ± 0.09 B | 1.97 ± 0.06 C | 2.53 ± 0.05 A |
| Group III (Fish reared in drainage water and fed vitamin C supplemented diet, 5 g/kg diet) | 76.7 ± 0.80 B | 18.3 ± 0.42 A | 2.97 ± 0.06 B | 1.67 ± 0.06 B |
| Group IV (Fish reared in drainage water and fed fennel supplemented diet, 5 g/kg diet) | 76.67 ± 0.40 B | 18.0 ± 0.36 A | 2.83 ± 0.08 B | 1.60 ± 0.10 B/C |
| F-values | 30.6** | 80** | 58.77** | 58** |