Table 1 Weights and lengths of experimental fish fed different dietary regimens.

	Weight (g)	Length (cm)	Number of fish	Dietary treatment	Feeding duration (days)
WT^**	≈85	—	72	Standard diet	227
Δ6abc/5^Mt**/Δ6bc^Mt	≈49	—	72 each	Standard diet	227
Δ6abc/5^Mt	85 ± 25^a	19 ± 2^a	36	DHA-rich diets	110
Δ6bc^Mt	104 ± 25^b	20 ± 2^b	36
WT	176 ± 34^c	24 ± 2^c	36
Δ6abc/5^Mt	203 ± 51^ac	27 ± 2	6	Low LC-PUFA diet	54
Δ6bc^Mt	281 ± 52^b	30 ± 2	6
WT	250 ± 62^ab	30 ± 5	6
Δ6abc/5^Mt	171 ± 36^c	26 ± 1	6	High LC-PUFA diet	54
Δ6bc^Mt	191 ± 69^ac	27 ± 3	6
WT	241 ± 47^ab	29 ± 1	6

Shortly after hatching fish were fed a standard commercial diet followed by 22:6n-3 (DHA)-rich diets to enhance growth. Fish were subsequently fed two experimental diets, low LC-PUFA and high LC-PUFA diets. **Weights of WT and Δ6abc/5^Mt were estimated, as experimental fish were weighed together in two groups or categories as Pit-tagged (Δ6bc^Mt) or untagged (WT + Δ6abc/5^Mt). At the time of switching from standard diet to 22:6n-3 (DHA)-rich diets, we did not weigh Δ6abc/5^Mt group separately but they were observed to have similar size as Δ6bc^Mt compared to WT. Weights and lengths of fish fed low and high LC-PUFA diets were analyzed by two-way ANOVA using dietary treatment and strain or genotype as experimental factors, followed by multiple comparisons of the means using Tukey HSD post-hoc test. Weights and lengths of fish fed DHA-rich diets were analyzed by one-way ANOVA using strain as experimental factor, followed by Tukey HSD post-hoc test. Different superscripts indicates statistical difference, p < 0.05.

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