Table 1.

Blood plasma ion concentrations of O. beta acclimated to 9, 35 and 50 ppt

Na+ClMg2+Ca2+K+
151.6±5.1 132.1±19.0 0.6±0.0 2.5±0.2 2.8±0.1 
35 149.6±2.0 136.6±6.1 0.8±0.1 2.3±0.2 2.8±0.2 
50 165.7±10.4 150.9±16.5 1.1±0.3 2.6±0.3 3.9±0.9 
Na+ClMg2+Ca2+K+
151.6±5.1 132.1±19.0 0.6±0.0 2.5±0.2 2.8±0.1 
35 149.6±2.0 136.6±6.1 0.8±0.1 2.3±0.2 2.8±0.2 
50 165.7±10.4 150.9±16.5 1.1±0.3 2.6±0.3 3.9±0.9 

Concentrations (mmol l–1) of Na+,Cl, Mg2+, Ca2+ and K+ in blood plasma of toadfish acclimated to 9, 35 and 50 ppt for a minimum of 14 days. Values are means ± s.e.m. (N⩾4)

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