自由落体:野生捕获的小口鲈鱼嘶嘶作响,导致无法控制深水中的浮力

IF 2 3区 农林科学 Q2 FISHERIES
Jamie C. Madden, Luc LaRochelle, Alyssa M. Goodenough, Andy J. Danylchuk, Steven J. Cooke
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引用次数: 0

摘要

Fizzing是一种有争议的减轻气压损伤的技术,它使用中空的皮下针从鱼的鱼鳔中释放气体。为了分离嘶嘶声的影响,106只小嘴鲈鱼(Micropterus dolomieu)在没有气压损伤的情况下从浅水中捕获,并测试它们在鱼鳔嘶嘶声或刺破后,通过将它们释放到浅(10米)或不合适的深(55米)栖息地,以确定它们是否能有效地控制浮力。生物学家对深度和行为进行了监测。大多数起泡的鱼(57%)和刺破的鱼(61%)在深水中无法调节浮力,沉到海底,看起来奄奄一息。在浅水区,被刺破的小嘴鲈鱼停留在水柱的高处(和对照组一样),而许多起泡的鱼停留在底部。我们的研究结果表明,如果小嘴鲈鱼被起泡并立即释放,应采取预防措施,确保它们被释放在适当的水深(<; 10米)的区域。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Free Falling: Fizzing Wild-Caught Smallmouth Bass Results in the Inability to Control Buoyancy in Deep Water

Free Falling: Fizzing Wild-Caught Smallmouth Bass Results in the Inability to Control Buoyancy in Deep Water

Fizzing, a somewhat controversial technique for mitigating barotrauma, uses hollow hypodermic needles to release gas from the swim bladder of fish. To isolate effects of fizzing, 106 smallmouth bass (Micropterus dolomieu) were caught from shallow water without barotrauma and tested to determine if they could effectively control their buoyancy after having their swim bladder fizzed or punctured by releasing them over shallow (10 m) or unsuitably deep (55 m) habitat. Depth and behavior were monitored with biologgers. Most fizzed (57%) and punctured (61%) fish were unable to regulate their buoyancy in deepwater, sinking to the bottom and appearing moribund. In shallow water, punctured smallmouth bass stayed higher in the water column (like controls), while many fizzed fish stayed on the bottom. Our results suggest that if smallmouth bass are fizzed and immediately released, precautions should be taken to ensure they are released in areas of appropriate water depths (< 10 m).

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来源期刊
Fisheries Management and Ecology
Fisheries Management and Ecology 农林科学-渔业
CiteScore
3.80
自引率
5.00%
发文量
77
审稿时长
12-24 weeks
期刊介绍: Fisheries Management and Ecology is a journal with an international perspective. It presents papers that cover all aspects of the management, ecology and conservation of inland, estuarine and coastal fisheries. The Journal aims to: foster an understanding of the maintenance, development and management of the conditions under which fish populations and communities thrive, and how they and their habitat can be conserved and enhanced; promote a thorough understanding of the dual nature of fisheries as valuable resources exploited for food, recreational and commercial purposes and as pivotal indicators of aquatic habitat quality and conservation status; help fisheries managers focus upon policy, management, operational, conservation and ecological issues; assist fisheries ecologists become more aware of the needs of managers for information, techniques, tools and concepts; integrate ecological studies with all aspects of management; ensure that the conservation of fisheries and their environments is a recurring theme in fisheries and aquatic management.
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