Table 1 Mean (± SD) values of water quality indicators during the 20-week trial period at four temperature treatments. Significant differences (P > 0.05) within rows are denoted by superscript letters

TAN (mg/L)

0.03 ± 0.00

0.02 ± 0.00

0.01 ± 0.00

0.01 ± 0.00

N0₂-N (mg/L)

0.11 ± 0.02

0.10 ± 0.01

0.16 ± 0.02

0.13 ± 0.02

pH

7.9 ± 0.07

7.98 ± 0.06

8.02 ± 0.04

8.09 ± 0.04

DO (mg/L)

7.44 ± 0.15^d

7.04 ± 0.07^c

6.59 ± 0.01^b

6.22 ± 0.01^a

Salinity (ppt)

32.8 ± 4.03^b

36.2 ± 4.11^a

36.9 ± 5.03^a

37.5 ± 3.82^a