Fig. 1

Body conditions of Betta splendens subjected to the mirror-image test. Values are expressed as means ± standard errors (SEs) and significant differences are indicated by different letters. N.S., not significant. Statistical significance is defined as p < 0.05 based on analysis of variance (ANOVA) followed by the Tukey–Kramer test. Sample sizes are noted in parentheses under the bars in the first graph