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  • 标题:Maximum Daily Consumption and Specific Daily Metabolic Demand of Juvenile Flathead Catfish ( Pylodictis olivaris )
  • 本地全文:下载
  • 作者:Samuel L. Bourret ; Ralph W. Tingley III ; Yoichiro Kanno
  • 期刊名称:Journal of Freshwater Ecology
  • 印刷版ISSN:0270-5060
  • 电子版ISSN:2156-6941
  • 出版年度:2008
  • 卷号:23
  • 期号:3
  • 页码:413-419
  • DOI:10.1080/02705060.2008.9664218
  • 出版社:Taylor & Francis
  • 摘要:Maximum daily consumption and specific daily metabolic demand were determined for juvenile flathead catfish (Pylodictis olivaris) in the laboratory over a temperature range of 3-32 °C. Maximum daily consumption increased with increasing water temperature, was significantly higher at 19 °C than at colder temperatures, and remained elevated up to 32 °C. Fish rarely ate below 15 °C, most stopped feeding at 11 °C, and no fish consumed anything at 7 °C or below. Specific daily metabolic demand showed a gradual increase with increasing temperature. The quantification of consumption and metabolic demand for juvenile flathead catfish was consistent with descriptions classifying the species as adapted to warmwater conditions.
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