Rainbow trout Oncorhynchus mykiss consume less energy when swimming near obstructions

被引：21
|
作者：
Cook, C. L. [1 ]
Coughlin, D. J. [1 ]
机构：
[1] Widener Univ, Dept Biol, Chester, PA 19013 USA
来源：
JOURNAL OF FISH BIOLOGY | 2010年 / 77卷 / 07期
关键词：
energy metabolism; entrainment; Karman gait; locomotion; oxygen consumption; respirometry; MUSCLE FUNCTION; BODY KINEMATICS; VORTEX STREET; KARMAN GAIT; BASS;
D O I：
10.1111/j.1095-8649.2010.02801.x
中图分类号：
S9 [水产、渔业];
学科分类号：
0908 ;
摘要：
The effect of obstructions in steady flow on swimming by rainbow trout Oncorhynchus mykiss was examined in a respirometry swim tunnel to test the prediction that fish interacting with obstructions require less energy to hold station. When an obstruction was present, O. mykiss altered the kinematics of swimming and the rate of oxygen consumption was significantly reduced. The fish employed both entrainment and Karman gait swimming strategies, permitting greater locomotor efficiency.
引用
收藏
页码：1716 / 1723
页数：8
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