A Systematic Review of Microplastic Contamination in Commercially Important Bony Fish and Its Implications for Health
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Selection Criteria
2.2. Focus Question
- What is the main animal’s organ studied for microplastic extraction?
- What are the types of raw materials of microplastics, and what are the main forms found? How do these pollutants get into animals?
- Which habitats had the highest concentrations of MPs?
2.3. Information Sources and Data Curation
- Search Component 1 (SC1)—Fish OR ‘Bony Fish’.
- Search Component 2 (SC2)—Microplastic* OR ‘Plastic Fragment’.
- Search Component 3 (SC3)—Behavior OR ‘Plastic Transport’ OR Dispersion.
- Search Component 4 (SC4)—‘Marine Environment*’ OR Ocean OR ‘Coastal Water’.
2.4. Risk of Bias Assessment
3. Results
4. Discussion
4.1. Characterization and Classification of Microplastic
4.1.1. Sources of Microplastic
4.1.2. Type of Plastic Polymer
4.1.3. Shape of Microplastics
4.1.4. Color and Size of Microplastics
4.2. MP Distribution in Water Environments
Translocation of MPs and Biota
4.3. Side Effects of Microplastics on Biota
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Reference | Risk of Bias |
---|---|
Al-Salem et al. [39] | Low sample number for each species and quality control to avoid external contamination during processing was not described, which may indicate that in the absence of this process, the particles described could come from contamination during processing and not from the animal’s stomach contents. |
Avio et al. [22] | The methodology for quality control was not described, and it was even described that textile fibers with irregular diameters were excluded from the analysis as they could be from contamination during sampling and processing. |
Bour et al. [23] | The entire GIT was investigated, which could generate a bias related to different rates of digestion and feeding; however, this factor was not considered when investigating the difference in eating habits between species. |
De Witte et al. [40] | Some data with potential relevance to the study were excluded due to inconsistency in species identification or because they were low-catch species. Low sample number for each species. |
Klangnurak and Chunniyom et al. [28] | The entire GIT was investigated, which could generate a bias related to different rates of digestion and feeding; however, this factor was not considered when investigating the difference in eating habits between species. |
Lopes et al. [41] | Excluded fibers based on visual identification and these could come from external contamination. |
Lusher et al. [24] | The entire GIT was investigated, which could generate a bias related to different rates of digestion and feeding. |
Morgana et al. 2018 [25] | The entire GIT was investigated, which could generate a bias related to different rates of digestion and feeding. |
Miranda and Carvalho-Souza, [42] | Low sample number for each species and quality control to avoid external contamination during processing was not described, which may indicate that in the absence of this process, the particles described could come from contamination during processing and not from the animal’s stomach contents. |
Phaksopa et al. [27] | Low sample number for each species (pelagic). |
Renzi et al. [31] | Sample number per species not defined; a lack of the counting and identification of very small particles (undetermined nature); aggressive extraction method that could affect the quality of the results obtained; and unrepresentative study area. |
Robin et al. [43] | Low sample number for each species. |
Tanaka and Takada, [44] | The entire GIT was investigated, which could generate a bias related to different rates of digestion and feeding; however, this factor was not considered when investigating the difference in eating habits between species. |
Wang et al. [29] | The entire GIT was investigated, which could generate a bias related to different rates of digestion and feeding; however, this factor was not considered when investigating the difference in eating habits between species. |
Zhang et al. [11] | Low sample number for some species. The entire GIT was investigated, which could generate a bias related to different rates of digestion and feeding; however, this factor was not considered when investigating the difference in eating habits between species. |
Focus Question | Summary Answer | Number of Imported Articles |
---|---|---|
What is the main animal organ studied for microplastic extraction? | The gastrointestinal tract (GIT) was the most frequently analyzed organ, followed by gills and muscles. | 14 |
What are the types of microplastic materials and the main forms found? | The most common types of microplastics found were polyethylene (PE), polypropylene (PP), and polystyrene (PS). The predominant shapes include fibers and fragments. | 17 |
How do these pollutants enter the animals? | Microplastics enter animals mainly through the ingestion of contaminated water and food, and also through absorption by the gills during respiration. | 20 |
Which habitats had the highest concentrations of MPs? | Coastal and estuarine habitats showed the highest concentrations of microplastics due to proximity to human pollution sources. | 12 |
Reference | Organ | Abundant Shape |
---|---|---|
Al-Salem et al. [39] | GIT | Fragment |
Avio et al. [22] | GIT | Fragment |
Bour et al. [23] | GIT | Flakes |
De Witte et al. [40] | GIT | Granules |
Fatema et al. [47] | GIT | Fibers |
Hermsen et al. [45] | GIT | Pellet |
Klangnurak and Chunniyom et al. [28] | GIT | Fibers |
Lopes et al. [41] | GIT, gills, and muscle | Fibers |
Lusher et al. [24] | GIT | Fibers |
Morgana et al. [25] | GIT | Fibers |
Miranda and Carvalho-Souza. [42] | GIT | Pellet |
Pennino et al. [26] | Stomach | Fibers |
Phaksopa et al. [27] | GIT and gills | Fibers |
Renzi et al. [31] | Stomach | Fibers |
Robin et al. [41] | GIT | Fibers |
Siddique et al. [32] | GIT | Fibers |
Tanaka and Takada, [44] | GIT | Fragment |
Valente et al. [46] | GIT | Fibers |
Wang et al. [29] | GIT | Fibers |
Zhang et al. [11] | GIT and gills | Fibers |
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de Souza, J.S.; de Pinho, J.V.; de Almeida Rodrigues, P.; de Melo, A.C.; Bergsten-Torralba, L.R.; Conte-Junior, C.A. A Systematic Review of Microplastic Contamination in Commercially Important Bony Fish and Its Implications for Health. Environments 2024, 11, 174. https://doi.org/10.3390/environments11080174
de Souza JS, de Pinho JV, de Almeida Rodrigues P, de Melo AC, Bergsten-Torralba LR, Conte-Junior CA. A Systematic Review of Microplastic Contamination in Commercially Important Bony Fish and Its Implications for Health. Environments. 2024; 11(8):174. https://doi.org/10.3390/environments11080174
Chicago/Turabian Stylede Souza, Júlia Scarpa, Júlia Vianna de Pinho, Paloma de Almeida Rodrigues, Anita Corrêa de Melo, Ludmila Rosa Bergsten-Torralba, and Carlos Adam Conte-Junior. 2024. "A Systematic Review of Microplastic Contamination in Commercially Important Bony Fish and Its Implications for Health" Environments 11, no. 8: 174. https://doi.org/10.3390/environments11080174