Length‐to‐weight and length‐to‐length ratios of six cavefish species from the Pearl River Basin, South China,Journal of Applied Ichthyology

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Length‐to‐weight and length‐to‐length ratios of six cavefish species from the Pearl River Basin, South China
Journal of Applied Ichthyology ( IF 0.9 ) Pub Date : 2020-09-21 , DOI: 10.1111/jai.14108
Anyou He ₁ , Yusen Li ₁ , Lei Zhou _{2,

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Affiliation

Length‐to‐weight and length‐to‐length ratios were estimated for six cavefishes including Yunnanilus longibarbatus, Yunnanilus bailianensis, Yunnanilus jinxiensis, Oreonectes polystigmus, Paranemachilus pingguoensis, and Paranemachilus genilepis from the upper reaches of the Pearl River, Guangxi Province, China (between 106.26E, 23.14N and 111.42E, 24.85N). The fish were captured between May and October in 2018 and 2019 using trap nets (mesh size 7 mm) set in front of selected caves at 6:30–7:30 p.m. and were hauled out at 6:30–7:30 a.m. the next day. After removal, the fish were measured and weighed immediately to the nearest 0.1 cm and 0.1 g, respectively. The regression parameter r² was between .95 and .98. The total length‐to‐standard length ratios were also calculated with r² ≥ .98. This study should provide a useful reference for biological studies and biodiversity conservation of cavefish.

更新日期：2020-09-21

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