2011
DOI: 10.1111/j.1095-8649.2011.03094.x
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The influence of flume length and group size on swimming performance in shortnose sturgeon Acipenser brevirostrum

Abstract: The main objectives of this study were to determine optimal methodologies to assess the general swimming performance of juvenile shortnose sturgeon Acipenser brevirostrum. Swimming densities (group v. individual swimming) and flume length (2 v. 1 m) were altered to verify if any of those variables affected performance (i.e. time to fatigue) during critical swimming (U(crit)) and endurance tests. Results for both U(crit) and endurance swimming were not significantly different between fish swum in groups of five… Show more

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Cited by 44 publications
(48 citation statements)
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“…This relatively greater improvement compared to Tudorache et al (2010) indicates that both flume length and swimming in groups played a significant role in increasing U crit for S. salar post-smolts. However, in the shortnose sturgeon Acipenser brevirostrum, there was no difference in U crit between testing fish individually and in groups, while U crit was 22% higher when using a longer flume (Deslauriers & Kieffer 2011). To our knowledge, sturgeons do not normally swim in schools; thus, the ability to take advantage of group swimming is likely to be highly species-dependent.…”
Section: Discussionmentioning
confidence: 75%
“…This relatively greater improvement compared to Tudorache et al (2010) indicates that both flume length and swimming in groups played a significant role in increasing U crit for S. salar post-smolts. However, in the shortnose sturgeon Acipenser brevirostrum, there was no difference in U crit between testing fish individually and in groups, while U crit was 22% higher when using a longer flume (Deslauriers & Kieffer 2011). To our knowledge, sturgeons do not normally swim in schools; thus, the ability to take advantage of group swimming is likely to be highly species-dependent.…”
Section: Discussionmentioning
confidence: 75%
“…3). This lack of a true statistical effect is probably related to the large variability that is normally associated with endurance swimming tests, which will consequentially affect the statistical power of the analysis (Deslauriers and Kieffer, 2011). In addition, these results suggest that shortnose sturgeon are likely using anaerobic metabolism to fuel swimming at the highest swimming speed.…”
Section: Discussionmentioning
confidence: 92%
“…Tudorache et al, 2007;Deslauriers and Kieffer, 2011;Remen et al, 2016). However, to obtain reliable oxygen consumption rate (ṀO 2 ) measurements within a reasonable time in this setup, groups of fish had to be tested simultaneously to reduce the ratio between biomass and volume, which means that measurements represent a group average.…”
Section: Swim Tunnel Setupmentioning
confidence: 99%