Article ; Online: Does color play a predominant role in the intake of microplastics fragments by freshwater fish: an experimental approach with Psalidodon eigenmanniorum.
Environmental science and pollution research international
2022 Volume 29, Issue 32, Page(s) 49457–49464
Abstract: Microplastics (MPs) have been reported in fish species from several freshwater environments. However, the mechanisms underlying MPs ingestion by fish are still unclear, although they are important to determine the pathway of MPs along freshwater ... ...
Abstract | Microplastics (MPs) have been reported in fish species from several freshwater environments. However, the mechanisms underlying MPs ingestion by fish are still unclear, although they are important to determine the pathway of MPs along freshwater environments food webs. Here, we investigates a fundamental question of why wild freshwater fish ingest plastic. To address this, we conducted a laboratory experiment to assess MP fragments intake according to color (red, green, yellow, white, black, and blue) by a small omnivorous fish species Psalidodon eigenmanniorum (Characidae). Results showed that yellow and blue were the most consumed fragments, whereas fish avoided white fragments. Although it is not yet clear how plastic coloration relates to the selectivity and feeding of freshwater fish, the visual skills at a species-specific level could plausibly explain why certain colors are attractive or deterrent to a particular fish species. This data set can be used as a screening tool that could help to understand the mechanisms underlying the patterns of plastic ingestion by fish, with special emphasis on the color of plastic particles. Future research on mechanisms MPs intake by fish, also providing a multi-species approach is highly recommended. |
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MeSH term(s) | Animals ; Characidae/metabolism ; Environmental Monitoring/methods ; Fishes/metabolism ; Fresh Water ; Microplastics ; Plastics/metabolism ; Water Pollutants, Chemical/analysis |
Chemical Substances | Microplastics ; Plastics ; Water Pollutants, Chemical |
Language | English |
Publishing date | 2022-05-24 |
Publishing country | Germany |
Document type | Journal Article |
ZDB-ID | 1178791-0 |
ISSN | 1614-7499 ; 0944-1344 |
ISSN (online) | 1614-7499 |
ISSN | 0944-1344 |
DOI | 10.1007/s11356-022-20913-8 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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