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Juvenile chinook salmon, Oncorhynchas tshawytscha, were exposed to selected levels of dissolved atmospheric gas ranging from 100 (control) to 120% of saturation, and surviving fish were then tested for maximal swimming performance. Decreased swimming capability resulted from exposure to concentrations ranging from 106 to 120% of saturation if the fish were tested immediately; other tests indicated that recovery of swimming capabilities occurred within 2 hr if the fish were returned to equilibrated water (100% of atmospheric saturation) before testing.
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Michael H. Schiewe (1974) studied this question.
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