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Fishes
Special Issues
Effects of Nanoplastics and Microplastics on Fish Health
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Effects of Nanoplastics and Microplastics on Fish Health

A special issue of Fishes (ISSN 2410-3888). This special issue belongs to the section "Welfare, Health and Disease".

Deadline for manuscript submissions: 1 May 2025 | Viewed by 700

Special Issue Editor

Dr. Muting Yan

E-Mail Website
Guest Editor
College of Marine Sciences, South China Agricultural University, Guangzhou 510641, China
Interests: microplastics; nanoplastics; health risk; pathogen; fish; shrimps; immunity

Special Issue Information

Dear Colleagues,

This topic focuses on the impact of microplastics and nanoplastics on fish health. The content of this topic is quite extensive, including the rich distribution and risk assessment of microplastics and nanoplastics in fish, as well as the impact of microplastics and nanoplastics on the immune system, growth rate, and reproductive ability of fish. In addition, microplastics and nanoplastics can also affect the health of fish through the food chain. This issue also focuses on the enrichment rule and migration path of microplastics in fish and the synergistic transmission of microplastics to fish pathogens.

Dr. Muting Yan
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Fishes is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • microplastics
  • nanoplastics
  • fish
  • health
  • enrichment
  • risk assessment

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Published Papers (2 papers)

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Research

19 pages, 3229 KiB  
Article
Unveiling the Microplastics Menace in Freshwater Fishes: Evidence from the Panjnad Barrage, South Punjab, Pakistan
by Syed Muhammad Moeen Uddin Raheel, Adnan Ahmad Qazi, Muhammad Latif, Huma Naz, Yasir Waqas and Maximilian Lackner
Fishes 2025, 10(5), 198; https://doi.org/10.3390/fishes10050198 - 26 Apr 2025
Viewed by 141
Abstract
This study explored the prevalence and types of microplastic (MP) pollution in three fish species—Labeo rohita, Wallago attu, and Cirrhinus mrigala—collected from the Panjnad Barrage in South Punjab, Pakistan. MPs were analyzed from the gastrointestinal tracts (GITs), gills, and [...] Read more.
This study explored the prevalence and types of microplastic (MP) pollution in three fish species—Labeo rohita, Wallago attu, and Cirrhinus mrigala—collected from the Panjnad Barrage in South Punjab, Pakistan. MPs were analyzed from the gastrointestinal tracts (GITs), gills, and muscles of 90 fish samples. Advanced analytical techniques, including Fourier Transform Infrared Spectroscopy (FTIR), Scanning Electron Microscopy/Energy-Dispersive X-Ray Spectroscopy (SEM/EDX), and Gas Chromatography/Mass Spectrometry (GC/MS), were deployed, confirming the polymeric composition and presence of various additives. Quantitative and qualitative analyses revealed significant variations in MP accumulation across tissues, with the GIT consistently showing the highest MP count, the gills having the highest concentration per gram, and the muscles exhibiting the lowest amount of accumulation. Wallago attu was found to have accumulated the highest concentration of microparticles among all three species due to its feeding habits and habitat. Fibers and fragments were the predominant types of MPs, with yellow and red being the most frequent colors. Polypropylene (PP) and polyethylene (PE) were the primary polymers identified, alongside other types like polyethylene terephthalate (PET) and polyvinyl chloride (PVC). The MP size distribution indicated that mid-sized particles (150–50 µm) were most abundant in the GIT and gills, while smaller particles (<50 µm) accumulated in the muscles, suggesting different levels of bioavailability and tissue penetration. Overall, the results suggest that agricultural activities are a major contributor to plastic pollution in the Panjnad Barrage. These findings highlight the ecological and health impacts of MP contamination, stressing the importance of targeted mitigation strategies to eliminate plastic waste in aquatic environments. Full article
(This article belongs to the Special Issue Effects of Nanoplastics and Microplastics on Fish Health)
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21 pages, 4249 KiB  
Article
Microplastics Enhance the Toxic Effects of Tetracycline on the Early Development of Zebrafish in a Dose-Dependent Manner
by Yanqing Wu, Ziying Zhu, Riying Zhong, Xilin Fang, Xiaocui Wang, Yuanyin Huang, Han Gong and Muting Yan
Fishes 2025, 10(4), 150; https://doi.org/10.3390/fishes10040150 - 27 Mar 2025
Viewed by 307
Abstract
Microplastic pollution in the environment has greatly increased due to the widespread use of plastics. Antibiotics and microplastic are common contaminants, especially in aquaculture. Microplastics could act as antibiotic vectors that raise the potential of their ecotoxicological effects. In this work, we conducted [...] Read more.
Microplastic pollution in the environment has greatly increased due to the widespread use of plastics. Antibiotics and microplastic are common contaminants, especially in aquaculture. Microplastics could act as antibiotic vectors that raise the potential of their ecotoxicological effects. In this work, we conducted several analyses of biomarker responses to examine the developmental toxicity and toxicological endpoints that polyethylene microplastics (PE-MPs) and tetracycline antibiotics (TC) induced in zebrafish (Danio rerio) embryos/larvae. The results suggested that TC-PE-MPs induced significant physiological perturbations, including attenuated spontaneous cardiac contractions, cardiotoxicity, a dose-dependent elevation in mortality, and a marked reduction in body length, accompanied by morphological alterations. The mechanistic analysis revealed that ROS accumulation triggered enzymatic activity changes, which further induced aberrant vascular development, robust inflammatory responses, and dysregulated gene expression. These findings demonstrate that PE coexistence potentiates TC’s toxicological effects, with combined exposure inducing developmental toxicity during critical organogenesis stages in zebrafish. Overall, the current research demonstrated the detrimental effects of TC-PE-MPs on early fish development, suggesting potential environmental risks. Full article
(This article belongs to the Special Issue Effects of Nanoplastics and Microplastics on Fish Health)
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