期刊
FISHERIES MANAGEMENT AND ECOLOGY
卷 23, 期 3-4, 页码 208-217出版社
WILEY
DOI: 10.1111/fme.12135
关键词
best practices; endangered species; fish conservation; fisheries management; mahseer; recreational fisheries
类别
资金
- Canada Research Chairs Program
- Natural Sciences and Engineering Research Council of Canada
- National Institute of Food & Agriculture, U.S. Department of Agriculture
- Massachusetts Agricultural Experiment Station and Department of Environmental Conservation
- Mohammed Bin Zayed Species Conservation Fund
- Mahseer Trust
- Fisheries Society of the British Isles
- Marion and Jasper Whiting Foundation
- Natural Environment Research Council [ceh010010] Funding Source: researchfish
Forty-nine blue-finned mahseer (Tor sp.; mean total length 458 +/- 20mm) were angled using a range of bait/lure types, angling and air exposure times in water that averaged 27 +/- 2 degrees C over the course of the assessment. No cases of mortality were observed, and rates of moderate and major injury were low, with 91% of mahseer hooked in the mouth. More extreme physiological disturbances (i.e. blood lactate, glucose, pH) in mahseer were associated with longer angling times. Sixteen fish (33%) exhibited at least one form of reflex impairment. Moreover, longer air exposures and angling times resulted in significant likelihood of reflex impairment. Findings suggest that blue-finned mahseer are robust to catch-and-release, but that anglers should avoid unnecessarily long fight times and minimise air exposure to decrease the likelihood of sub-lethal effects that could contribute to post-release mortality.
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