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Fig. 8. Calculated (A) absorption rate (µmol kg–1
h–1) and (B) fractional absorption of ingested Na+
and Cl– by toadfish acclimated to 9, 35 and 50 ppt based on
Na+ and Cl– concentrations in rectal fluid samples
and 9, 35 and 50 ppt water. Values are means ± s.e.m.
(N
5). An asterisk (*) indicates statistically
significant difference from 35 ppt (P<0.05).