ENDURANCE SWIMMING SPEEDS OF FRESH WATER FISH

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  • 魚道の設計に資する淡水魚類の耐久遊泳速度
  • ギョドウ ノ セッケイ ニ シスル タンスイギョルイ ノ タイキュウ ユウエイ ソクド

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In order to make clear endurace swimming speeds of fish, author carried out hydraulic experimental tests using wild fish. Endurance swimming speeds of fish based on the results, during 60 minutes, are as follows: Salvelinus leucomaenis (PALLAS) f. pluvius (HILGENDORF) and Leuciscus (Tribolodon) hakonensis GUNTHER is 85cm/s, Cyprinus carpio Linnaeus is 70cm/s. Carassius carassius buergeri (TEMMINCK et SCHLEGEL), Carassius gibelio langsdorfi (VALENCIENNES) and Zacco platypus (TEMMINCK et SCHLEGEL) are 65cm/s. Zacco temmincki (TEMMINCK et SCHLEGEL) is 55cm/s. Those measurement values are 100% endurance swimming speeds in a scope of activity water temperature of fish upper the 12-13°C. however, those speeds are decreased under the 8-9°C. It is in tendency that endurance swimming speeds are in mainly proportion to fish lengths

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