Table 2. Feeding utilization efficiency of giant trevally (Caranx ignobilis) juveniles reared under different tank colors

Parameters	Treatments
Parameters	White	Blue	Red	Yellow	Dark grey
DFR (%BW/d)	1.66 ± 0.02^a	1.90 ± 0.05^ab	2.15 ± 0.18^bc	2.11 ± 0.04^bc	2.26 ± 0.06^c
FCR	1.08 ± 0.05^b	1.11 ± 0.03^b	1.09 ± 0.01^b	0.93 ± 0.02^a	1.01 ± 0.04^ab
FE	0.93 ± 0.04^a	0.90 ± 0.03^a	0.92 ± 0.01^a	1.07 ± 0.02^b	1.00 ± 0.02^ab
PE	2.96 ± 0.13	2.98 ± 0.03	3.09 ± 0.39	2.96 ± 0.13	2.65 ± 0.03

Data represent mean values ± SE (n = 3).
Means with different superscripts in the same row differ significantly (p < 0.05).
DFR, daily feeding rate; FCR, feed conversion ratio; FE, feed efficiency; PE, protein efficiency.