Table 1. Growth and survival of giant trevally (Caranx ignobilis) juveniles reared under different tank colors
Parameters | Treatments |
White | Blue | Red | Yellow | Dark grey |
L1 (cm) | 1.91 ± 0.03 | 1.91 ± 0.03 | 1.91 ± 0.03 | 1.91 ± 0.03 | 1.91 ± 0.03 |
W1 (g) | 0.24 ± 0.04 | 0.24 ± 0.04 | 0.24 ± 0.04 | 0.24 ± 0.04 | 0.24 ± 0.04 |
L2 (cm) | 5.60 ± 0.06a | 5.96 ± 0.02b | 6.29 ± 0.10d | 6.24 ± 0.12cd | 6.03 ± 0.04bc |
W2 (g) | 2.69 ± 0.13a | 3.07 ± 0.06b | 3.49 ± 0.11c | 3.35 ± 0.09bc | 3.24 ± 0.05bc |
SGRL (%/d) | 11.25 ± 0.04a | 11.47 ± 0.01b | 11.66 ± 0.06d | 11.64 ± 0.07cd | 11.51 ± 0.02bc |
SGRW (%/d) | 3.84 ± 0.04a | 4.06 ± 0.01b | 4.25 ± 0.06d | 4.23 ± 0.07cd | 4.10 ± 0.02bc |
CVL (%) | 8.27 ± 1.02 | 7.95 ± 0.61 | 8.36 ± 1.21 | 8.92 ± 0.70 | 7.57 ± 0.92 |
CVW (%) | 25.93 ± 3.74 | 22.72 ± 1.57 | 24.48 ± 3.21 | 26.15 ± 2.04 | 23.10 ± 3.64 |
K (g/cm3) | 1.53 ± 0.04 | 1.45 ± 0.02 | 1.41 ± 0.04 | 1.38 ± 0.05 | 1.38 ± 0.05 |
SR (%) | 66.19 ± 0.48b | 63.81 ± 1.26ab | 56.67 ± 2.65a | 74.76 ± 4.15c | 77.14 ± 2.18c |
Data represent mean values ± SE (n = 3).
Means with different superscripts in the same row differ significantly (p < 0.05).
L1, L2 initial, final total length; W1, W2, initial, final body weight; SGRL, SGRW, specific growth rate in length, weight; CVL, CVW, coefficient of variation of length, weight; K, condition factor; SR, survival rate.