Abstract
THE ultimate upper lethal temperature for roach, as defined by Fry1, is 33.5° C. These fish remain in good condition and all survive at 26° C. (for at least three months). At 30° C. roach lose condition and individuals die after a few weeks, while at 32° C. their condition deteriorates rapidly and individuals die within a week.
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References
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COCKING, A. Relation between the Ultimate Upper Lethal Temperature and the Temperature-range for Good Health in the Roach (Rutilus rutilus). Nature 180, 661–662 (1957). https://doi.org/10.1038/180661a0
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DOI: https://doi.org/10.1038/180661a0
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