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Figure 1


Fig. 1. Daily food consumption (g g-1 fish) of Himantura signifer during 10 days of exposure to 1{per thousand} water (control; open bars), or 10 days of exposure to a progressive increase in salinity from 1{per thousand} to 15{per thousand} (filled bars): 1{per thousand} (days 1, 2) to 5{per thousand} (days 3, 4) to 10{per thousand} (days 5, 6) to 13{per thousand} (days 7, 8) to 15{per thousand} (days 9, 10). Values are means ± s.e.m. (N=5 for control group; N=5 for experimental group).