JEB -- Burton 205 (5): 641 Figure IG2

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Fig. 2. (pHa–D''pH) (see Materials and methods) versus log[Na⁺] at 25 and 15°C for reptiles (), amphibians ( ${blacksquare}$ ), teleosts ( ${circ}$ ), elasmobranchs ( ${triangleup}$ ), Eptatretus cirrhatus ( ${triangledown}$ ) and other fish ( ${square}$ ). The curves are such that pHa+log([Na⁺]+80)–D''pH equals 9.89 at 25°C and 10.00 at 15°C.