Section 38
Chapter 37,300

Temperature preference and tolerance of hybrid carp female grass carp, Ctenopharyngodon idella x male bighead, Aristichthys nobilis

Kilambi, R.V.; Galloway, M.L.

Environmental Biology of Fishes 12.4: 309-314


ISSN/ISBN: 0378-1909
DOI: 10.1007/bf00005461
Accession: 037299140

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Hybrid carp, acclimated at three temperatures, were tested for temperature preference in a laboratory gradient tank. There was no relationship between the acclimation and acute preferred temperatures. After a 10-day period of exploration, irrespective of acclimation temperature, all the hybrids gravitated to a final thermal preferendum of 29 degree C. In the temperature tolerance test the ultimate upper incipient lethal temperature, (TL50), was estimated as 39.2 degree C.

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