PARASITE DIVERSITY OF Hoplosternum littorale FROM THE TIETÊ-BATALHA RIVER BASIN, SOUTHEASTERN BRAZIL

IF 0.5 4区农林科学 Q4 FISHERIES

Boletim do Instituto de Pesca Pub Date : 2021-09-13 DOI:10.20950/1678-2305/bip.2021.47.e650

Larissa Sbeghen Pelegrini, Diego Henrique Mirandola Dias Vieira, Lucas Aparecido Rosa Leite, Thayana Gião, Rodney Kozlowiski de Azevedo, Vanessa Doro Abdallah

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引用次数: 2

Abstract

A total of 53 tamboatás, Hoplosternum littorale, from the Batalha River, São Paulo, southeastern Brazil, were examined between February 2014 to December 2016. Seventeen species of parasites were identified, and 961 specimens were collected . The richness of each community varied from one to seven species of parasites per fish. The metacercariae of Diplostomum lunaschiae showed higher prevalence and mean abundance, being the core species. Gyrodactylus sp. obtained a higher mean intensity value. Aporocotylidae gen. sp. showed a significant negative correlation between its abundance and the standard host weight and length, while Spiroxys sp. showed a significant negative correlation between its abundance and the host weight. Batalha River has importance as a maintainer of local biodiversity with a relevant contribution to the knowledge of freshwater biodiversity in the State of São Paulo. Gyrodactylidae gen. sp., A. mordax, Aporocotylidae gen. sp., D. lunaschiae, Diplostomidae gen. sp. 1, Contracaecum sp., D. renale, Porrocaecum sp., Pseudocapillaria sp. 1, Pseudocapillaria sp. 2, S. contortus, Oligobdella sp., and L. cyprinacea are parasites mentioned for the first time in H. littorale. Aporocotylidae gen. sp., Gyrodactylidae gen. sp., and Oligobdella sp. are new species in process of taxonomic description by the authors of the present study.

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巴西东南部TIETÊ-BATALHA河流域小蠹寄生生物多样性研究

2014年2月至2016年12月期间，研究人员对来自巴西东南部圣保罗州巴塔利亚河的53只tamboatás河鼠进行了研究。共鉴定寄生虫17种，采集标本961份。每个群落的丰富度从每条鱼1到7种寄生虫不等。月牙双孔虫囊蚴的流行率和平均丰度较高，为核心种。回转线蝇的平均强度值较高。Aporocotylidae . sp.的丰度与标准寄主重量和长度呈显著负相关，Spiroxys .的丰度与标准寄主重量呈显著负相关。巴塔利亚河作为当地生物多样性的维护者具有重要意义，对圣保罗州淡水生物多样性的知识做出了相关贡献。在littorale中首次发现的寄生虫有Gyrodactylidae, a.mordax, Aporocotylidae, d.lunaschiae, Diplostomidae, Contracaecum sp.， d.renale, Porrocaecum sp.， Pseudocapillaria sp. 1, Pseudocapillaria sp. 2, contortus S.， Oligobdella sp.，和L. cyprinacea。Aporocotylidae gen. sp.、Gyrodactylidae gen. sp.和Oligobdella sp.是本研究作者正在进行分类描述的新种。

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来源期刊

Boletim do Instituto de Pesca FISHERIES-ZOOLOGY

CiteScore

0.80

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： To publish original articles of research and short communications in the following áreas: Fisheries, Aquaculture, Zootechnology, Limnology, Oceanography, Biology and Pathology of aquatic organisms. The publication depends on the approval of the Editorial Board, based on the peer review.