Effectiveness of mass marking of juvenile sterlet (Acipenser ruthenus) with alizarin red S stain on field detection

IF 2 3区农林科学 Q2 FISHERIES Fisheries Management and Ecology Pub Date : 2024-08-24 DOI:10.1111/fme.12737

Martin Šindler, Miloš Buřič, Martin Plesch, Pavel Franta, Bořek Drozd

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Abstract

Sterlet (Acipenser ruthenus), one of the last sturgeons in the Danube basin, is regularly stocked in national and international restoration programs, but the efficacy of stocking has not yet been evaluated. Effectiveness of stocking should involve marking and evaluating growth and survival of juveniles. Chemical marking with alizarin red S (ARS) was evaluated to establish optimal ARS staining approaches for juvenile sterlet. Bathing in a 100–200 mg l−1 ARS concentration for 12 h had no affect on fish mortality or growth. Use of a green laser on the upper five external structures (dorsal, lateral, and ventral scutes and rostral and anal plates) allowed easy detection for at least a year. Simultaneous use of multiple external structures was effective for distinguishing stocked from wild fish without harm or sacrifice. We conclude that ARS staining enabled a cost‐effective, quick, and labour‐nonintensive way to mark sterlet, with a high‐field detectability and minimal previous experience required.

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用茜素红 S 染色剂大量标示鲟鱼幼体对实地检测的效果

鲟鱼（Acipenser ruthenus）是多瑙河流域最后的鲟鱼之一，在国家和国际恢复计划中被定期放养，但放养的效果尚未得到评估。放养效果应包括标记和评估幼鱼的生长和存活率。对茜素红 S（ARS）的化学标记进行了评估，以确定针对幼鱼的最佳 ARS 染色方法。在 100-200 mg l-1 浓度的 ARS 中浸浴 12 小时对鱼的死亡率和生长没有影响。使用绿色激光对上部五个外部结构（背鳞、侧鳞、腹鳞、喙板和肛板）进行染色，可轻松检测至少一年。同时使用多个外部结构可有效区分放养鱼和野生鱼，而不会造成伤害或牺牲。我们的结论是，ARS 染色是一种经济、快速、不需要大量劳动力的标记小尾寒羊的方法，具有很高的野外可探测性，而且只需要很少的经验。

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来源期刊

Fisheries Management and Ecology 农林科学-渔业

CiteScore

3.80

自引率

5.00%

发文量

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.