Microplastics in catfish Pterygoplichthys pardalis (Castelnau 1855) and Hoplosternum littorale (Hancock, 1828) marketed in Itacoatiara, Amazonas, Brazil

IF 1.4 4区环境科学与生态学 Q3 ECOLOGY

Environmental Biology of Fishes Pub Date : 2024-01-26 DOI:10.1007/s10641-024-01517-2

Isreele Jussara Gomes de Azevedo, Beatriz Rocha de Moraes, Rômulo Augusto Ando, Gabriel dos Anjos Guimarães, Gustavo Frigi Perotti, Bruno Sampaio Sant’Anna, Gustavo Yomar Hattori

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Abstract

Contamination by microplastics (MPs) has been recorded in various environments and organisms around the world. The objective of this study was to investigate the occurrence of MPs in two species of Siluriformes fishes Pterygoplichthys pardalis and Hoplosternum littorale considering the sex and different body parts of fish captured in Amazon floodplain areas, which are marketed and consumed in the Municipality of Itacoatiara, Amazonas, Brazil. One hundred and fifty individuals of each fish species were analyzed for microplastics. Of these, 252 individuals were found to contain MPs: 127 (85%) P. pardalis and 125 (83%) H. littorale. The fish were contaminated with 683 MP particles, ranging from 1 to 43 MP particles/individual, with an average of 2.71 ± 3.2 MP particles/individual P. pardalis and H. littorale. Comparison of MP occurrence and particle size between species, sex, and body part found no significant difference. Fiber-shaped and blue-colored MPs were the most abundant in both P. pardalis (80% and 85.5%, respectively) and H. littorale (92% and 85%, respectively). The particles were identified as polyethylene terephthalate and polystyrene. The results indicate MP contamination in P. pardalis and H. littorale catfish, which are widely consumed by Amazonian riverside communities. These species are often cooked whole (including the viscera) becoming a direct route of microplastic contamination to humans.

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巴西亚马孙地区伊塔科蒂亚拉市销售的鲶鱼 Pterygoplichthys pardalis（Castelnau，1855 年）和 Hoplosternum littorale（Hancock，1828 年）体内的微塑料

微塑料（MPs）污染在世界各地的各种环境和生物体内都有记录。本研究的目的是调查在亚马逊洪泛区捕获并在巴西亚马孙市伊塔科蒂亚拉市销售和食用的两种蚕形目鱼类 Pterygoplichthys pardalis 和 Hoplosternum littorale 的性别和不同身体部位的微塑料含量。对每种鱼类的 150 个个体进行了微塑料分析。其中，发现 252 条鱼含有微塑料：127 条（85%）P. pardalis 和 125 条（83%）H. littorale。这些鱼类受到了 683 个 MP 粒子的污染，每个个体受到 1 到 43 个 MP 粒子的污染，其中 P. pardalis 和 H. littorale 平均每个个体受到 2.71 ± 3.2 个 MP 粒子的污染。比较不同物种、性别和身体部位的 MP 出现率和颗粒大小，未发现显著差异。纤维状和蓝色 MP 在 P. pardalis（分别为 80% 和 85.5%）和 H. littorale（分别为 92% 和 85%）中含量最高。经鉴定，这些颗粒为聚对苯二甲酸乙二醇酯和聚苯乙烯。结果表明，亚马逊河流域社区广泛食用的 P. pardalis 和 H. littorale 鲶鱼受到了 MP 污染。这些鱼类经常被整条烹饪（包括内脏），成为微塑料直接污染人类的途径。

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来源期刊

Environmental Biology of Fishes 环境科学-海洋与淡水生物学

CiteScore

2.60

自引率

14.30%

发文量

169

审稿时长

3 months

期刊介绍： Environmental Biology of Fishes is an international journal that publishes original studies on the ecology, life history, epigenetics, behavior, physiology, morphology, systematics and evolution of marine and freshwater fishes. Empirical and theoretical papers are published that deal with the relationship between fishes and their external and internal environment, whether natural or unnatural. The journal concentrates on papers that advance the scholarly understanding of life and draw on a variety of disciplines in reaching this understanding. Environmental Biology of Fishes publishes original papers, review papers, brief communications, editorials, book reviews and special issues. Descriptions and submission requirements of these article types can be found in the Instructions for Authors.