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Effects Of Acid Ph On Embryonic And Juvenile Freshwater Fish, Barbara A. Ramey, Lee E. Colton
Effects Of Acid Ph On Embryonic And Juvenile Freshwater Fish, Barbara A. Ramey, Lee E. Colton
KWRRI Research Reports
The effects of sulfuric acid on embryos, larvae, and juvenile fish were examined using standard bioassay techniques, as well as in a preference/ avoidance behavioral test. The objectives were to compare the sensitivities of the various ages of fish to acid and to assess the use of the behavioral test in a hazard assessment program. In an 8-day static renewal bioassay, embryos and larvae of the fathead minnow were not affected at a pH of 4.92 and above, but pH 3.57 produced complete mortality prior to hatching. In 96- hr acute bioassays, 8-wk juvenile fathead minnows survived 100% at pH's …