New occurrences, mean infestation intensity and prevalence of parasitic isopods (Isopoda, Cymothoida, Bopyridae) associated with Macrobrachium amazonicum (Decapoda, Palaemonidae) from the mouth of the Amazon River.

IF 1.3 4区农林科学 Q2 Veterinary

Revista Brasileira De Parasitologia Veterinaria Pub Date : 2024-07-15 eCollection Date: 2024-01-01 DOI:10.1590/S1984-29612024037

Sting Silva Duarte, Jô de Farias Lima, Lucio André Viana

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Abstract

The Amazon prawn or Macrobrachium amazonicum (Heller, 1862) is widely distributed in South America, occurring in the Orinoco and Amazon rivers, and forms an important source of income for riverside families. This prawn hosts crustacean ectoparasites of the genus Probopyrus (Giard & Bonnier, 1888) (Bopyridae) that infest its gill cavity. The aim of the present study was to report new occurrences of Probopyrus in Amazon prawns caught in the Amazon River. Macrobrachium amazonicum prawns were collected between May 2017 and April 2018, and again from July 2021 to May 2022 in the regions of Ilha de Santana and Rio Mazagão, state of Amapá, Brazil. Among the 5,179 prawn specimens caught, 133 were parasitized by the ectoparasites Probopyrus pandalicola (Packard, 1879), Probopyrus bithynis (Richardson, 1904), Probopyrus floridensis (Richardson, 1904) and Probopyrus palaemoni (Lemos de Castro & Brasil Lima, 1974). These occurrences of P. floridensis and P. palaemoni in M. amazonicum were the first records of this on the northern coast of Brazil. These four ectoparasites are not limited to specific host species or genera, as observed in this study, which reports four species of Probopyrus infesting M. amazonicum.

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亚马逊河河口与大鲎（十足目，鲎科）相关的寄生等足类（等足目，栉水母纲，栉水母科）的新发生率、平均侵扰强度和流行率。

亚马逊对虾（Macrobrachium amazonicum (Heller, 1862)）广泛分布于南美洲的奥里诺科河和亚马逊河，是河岸家庭的重要收入来源。这种对虾的鳃腔中寄生着甲壳类外寄生虫 Probopyrus (Giard & Bonnier, 1888) (Bopyridae)。本研究的目的是报告在亚马孙河捕获的亚马孙对虾中新出现的 Probopyrus。研究人员于2017年5月至2018年4月期间以及2021年7月至2022年5月期间在巴西阿马帕州的桑塔纳岛（Ilha de Santana）和马扎刚河（Rio Mazagão）地区采集了亚马孙对虾。在捕获的 5,179 只对虾标本中，有 133 只被体外寄生虫 Probopyrus pandalicola（Packard，1879 年）、Probopyrus bithynis（Richardson，1904 年）、Probopyrus floridensis（Richardson，1904 年）和 Probopyrus palaemoni（Lemos de Castro & Brasil Lima，1974 年）寄生。这些 P. floridensis 和 P. palaemoni 在 M. amazonicum 中的出现是巴西北部海岸的首次记录。这四种体外寄生虫并不局限于特定的寄主物种或属，正如本研究中所观察到的那样，本研究报告了四种侵扰M. amazonicum的Probopyrus。

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来源期刊

Revista Brasileira De Parasitologia Veterinaria PARASITOLOGY-VETERINARY SCIENCES

CiteScore

2.60

自引率

7.70%

发文量

审稿时长

>12 weeks

期刊介绍： La revista es un órgano de difusión del Colegio Brasileño de Parasitología Veterinaria, con una especificidad dentro de esa área, la difusión de los resultados de la investigación brasileña en las áreas de Helmintología, Protozoología, Entomología y agentes transmitidos por artrópodos, relacionados con la salud animal.