Fig. 7From: Expansion of sweet taste receptor genes in grass carp (Ctenopharyngodon idellus) coincided with vegetarian adaptationThe behavioral experiment of perceiving the sugar in grass carp. a Schematic drawing of experimental setup; b The ratio of fish chose to different experimental feed placement areas at 0.5 h after the transparent net opening (%). The behavioral experiment was repeated for five times. All values represent the mean ± S.E.M. (n = 5). Values marked with different lowercase letters are significantly different (one-way ANOVA, P < 0.05)Back to article page