~ 0% NaCI [!iJ 0.5 % NaCI A 1.0 % NaCI V 2.0 % NaCI ~ 3.0 % NaCI
Fig. 1. Plasma Na+, Cl- and osmolality, hematocrit and plasma cortisol in sub-adults of Odontesthes
bonariensis and o. hatcheri during exposure to salinities ofO-3.0 % NaCl. Cortisol values for
O. bonariensis at 3 h for 0.5 and 1.0 % NaCI could not be included due to problems during
analysis.