Programa de Pós-Graduação em Biodiversidade e Biotecnologia (Bionorte), Universidade Federal do Acre (UFAC), Rio Branco, Acre, Brazil.
Laboratório de Biologia Geral do Instituto Federal de Acre (IFAC), Campus Cruzeiro do Sul, Acre, Brazil.
J Helminthol. 2022 Jul 29;96:e55. doi: 10.1017/S0022149X2200027X.
The Amazon region may present a high diversity of endoparasites with a high degree of endemism. In this sense, this study describes the endoparasite fauna in freshwater fish from the Upper Juruá, in the Western Amazon. The study was carried out around the municipalities of Cruzeiro do Sul, state of Acre, and Guajará, state of Amazonas, Brazil. Fish were caught between periods of droughts and floods, using passive and active sampling methods. In the laboratory, specimens were biometrically analysed and necropsied. As a result, a total of 23,740 endoparasites were recorded, belonging to 62 species, with 91 new host reports and 91 new occurrences for the Western Amazon. Nematoda and Digenea were the most diverse and abundant groups, and the increase in host fish richness and diversity influenced the diversity and richness of endoparasites in the environments. In this sense, the present study expands the number of new reports, and contributes data on the distribution and richness of endoparasites for South America.
亚马逊地区可能存在具有高度特有性的丰富内寄生虫多样性。从这个意义上说，本研究描述了来自亚马逊西部上茹鲁阿地区淡水鱼类的内寄生虫群。该研究在巴西阿克里州的克鲁塞罗·杜斯乌尔和亚马逊州的瓜亚拉市周围进行。鱼类是在干旱和洪水期间使用被动和主动抽样方法捕获的。在实验室中，对标本进行了生物测量和剖检。结果，共记录了 23740 种内寄生虫，属于 62 个物种，其中 91 个是新的宿主报告，91 个是亚马逊西部的新发生。线虫和复殖吸虫是最多样化和丰富的群体，宿主鱼类丰富度和多样性的增加影响了环境中内寄生虫的多样性和丰富度。从这个意义上说，本研究增加了新报告的数量，并为南美洲提供了有关内寄生虫分布和丰富度的数据。
