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Fig. 2


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Palatability of five floating macrophytes for the giant gourami (Osphronemus goramy) in % ingested macrophytes over a period of 4 h. Data are shown as the median and 25% and 75% quartiles. Lm: Lemna minor; Af: Azolla filiculoides; Sm1: Salvinia molesta type1; Sm2: Salvinia molesta type 2; Ec: Echhornia crassipes. Treatments with the same letter are not significantly different (Kruskal–Wallis ANOVA).

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