The Dispersal of the White Piranha, Serrasalmus brandtii (Serrasalmidae), a Non-Native Predator in the Doce River Basin, Southeastern Brazil

IF 0.5 4区生物学 Q4 FISHERIES

Journal of Ichthyology Pub Date : 2024-03-27 DOI:10.1134/s0032945224700012

C. Assis, P. N. Coelho, T. de F. Ramos Guimarães, K. L. Souza, W. R. Ferreira, L. Marcon, J. A. Dergam

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Abstract

Serrasalmus brandtii is native from the São Francisco River Basin. However, this species has been introduced in numerous other watersheds. Here we report the first occurrences of S. brandtii and its dispersal in the Doce River Basin, in southeastern Brazil. In addition, we discuss the possible impacts of the species on native fish assemblages of this region. The individuals were captured during four years of aquatic biodiversity monitoring (2018–2022) after the Fundão mining ore tailing collapse in 2015. Data from SpeciesLink and literature were used to complement the dispersal history in the Doce River Basin. Our results show that the species occurred in nine localities in the lower portion of the watershed. The first record occurred in 1987, in the Santa Maria do Doce River, in the State of Espírito Santo, Brazil. The establishment of S. brandtii in the watershed poses a real threat to native species, aggravating the effects of other anthropogenic impacts.

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巴西东南部多塞河流域的非本地食肉动物白食人鱼（Serrasalmus brandtii，Serrasalmidae）的散布情况

摘要Serrasalmus brandtii原产于圣弗朗西斯科河流域。然而，该物种已被引入其他许多流域。在此，我们报告了 S. brandtii 在巴西东南部多塞河流域的首次出现及其扩散情况。此外，我们还讨论了该物种对该地区本地鱼类可能造成的影响。这些个体是在 2015 年 Fundão 采矿矿石尾矿坍塌后四年（2018-2022 年）的水生生物多样性监测期间捕获的。来自 SpeciesLink 和文献的数据被用来补充多塞河流域的扩散历史。我们的结果显示，该物种出现在流域下游的九个地方。第一个记录出现在1987年巴西圣埃斯皮里图州的圣玛丽亚多斯河（Santa Maria do Doce River）。S.brandtii在该流域的出现对本地物种构成了真正的威胁，加剧了其他人为影响的后果。

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来源期刊

Journal of Ichthyology Multiple-

CiteScore

1.00

自引率

28.60%

发文量

期刊介绍： Journal of Ichthyology is an international peer-reviewed journal published in collaboration with the Russian Academy of Sciences. It covers original studies in fish taxonomy, evolution, molecular biology, morphology, species diversity, zoological geography, genetics, physiology, ecology, behavior, reproduction, embryology, invasions, and protection. Some problems of applied ichthyology are also covered. The journal welcomes manuscripts from all countries in the English or Russian language.