SPECIES COMPOSITION AND DISTRIBUTION OF FISH IN NAM XUAN LAC SPECIES AND HABITAT CONSERVATION AREA, BAC KAN PROVINCE
DOI:
https://doi.org/10.18173/2354-1059.2024-0009Keywords:
fish diversity, Lo River, nature reserve, northern Vietnam, Thai Binh RiverAbstract
Nam Xuan Lac Species and Habitat Conservation Area has high biodiversity potential with many precious, rare, and endangered plant and animal species. However, the diversity of fish species in this reserve area has been limited information until now. In order to provide information on the species composition and distribution of fishes in the study site, two surveys were conducted in July and December 2021 at 11 stations (altitude from 118 m to 760 m) of the Lo and Thai Binh river basins. Based on morphological characteristics, this study reported the first list of species composition of the Nature Reserve, with 22 species from 20 genera, 16 families, and 7 orders. Of which, Cypriniformes was the most diverse order, consisting of 6 families, 10 genera and 11 species, and Cyprinidae was the most dominant family (3 genera, 4 species). Besides, the present study also updated and added two new records for the Red River ichthyofauna, two species listed in the IUCN Red List and three species in the Government's Decree 26/2019/NĐ-CP. Of the 22 species collected, Neolissochilus benasi has the widest distribution range in the study area. The number of species collected at sampling sites ranged from 2 to 17 species. The present results are important data for the exploitation, conservation, and sustainable development of local fish resources
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