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Figure 5


Fig. 5. Mg2+, Cl, SO42–, Na+, Ca2+ and K+ excreted in rectal fluid over 48 h by toadfish acclimated to 9, 35 and 50 ppt (µmol kg–1 h–1). The fraction of total Mg2+ and Ca2+ excreted in precipitates is shown in stacked bars. Values are means ± s.e.m. (N>=4). An asterisk (*) indicates statistically significant difference from 35 ppt (P<0.05).