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Species-specific effect of microplastics on fish embryos and observation of toxicity kinetics in larvae. 2021

Chaonan Zhang, and Jun Wang, and Aiguo Zhou, and Qiao Ye, and Yongyong Feng, and Zhenlu Wang, and Shaodan Wang, and Guohuan Xu, and Jixing Zou
Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China.

Microplastics will definitely increase the potential health risks to humans through food chain, especially by commercial fishes. Here, we studied species-specific effect of microplastics on fish embryos and observed uptake, accumulation and elimination of microplastics in larvae. We chose three commercial fish species with different feeding types as our research objects. The results we found demonstrated that microplastics abundance in larvae was related with feeding type. At the same exposure concentration, the ingestion of microplastics in carnivores was lower than that in filter feeders and omnivores. In addition, omnivores were less able to remove microplastics than filter feeders. To the best of our knowledge, this is the first study to compared the differences of microplastics ingested in fishes with feeding types under laboratory conditions, and we believe that the findings will be valid evidence to explain species-specific effect of microplastics on fishes.

UI MeSH Term Description Entries
D007700 Kinetics The rate dynamics in chemical or physical systems.
D007814 Larva Wormlike or grublike stage, following the egg in the life cycle of insects, worms, and other metamorphosing animals. Maggots,Tadpoles,Larvae,Maggot,Tadpole
D010969 Plastics Polymeric materials (usually organic) of large molecular weight which can be shaped by flow. Plastic usually refers to the final product with fillers, plasticizers, pigments, and stabilizers included (versus the resin, the homogeneous polymeric starting material). (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Plastic
D004784 Environmental Monitoring The monitoring of the level of toxins, chemical pollutants, microbial contaminants, or other harmful substances in the environment (soil, air, and water), workplace, or in the bodies of people and animals present in that environment. Monitoring, Environmental,Environmental Surveillance,Surveillance, Environmental
D005399 Fishes A group of cold-blooded, aquatic vertebrates having gills, fins, a cartilaginous or bony endoskeleton, and elongated bodies covered with scales.
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000080545 Microplastics Plastic particles, less than 5 millimeters in diameter, that are generated from the degradation of larger pieces or are manufactured to be microstructures or smaller. Mesoplastics,Plastic Microparticles,Plastic Nanoparticles,Mesoplastic,Microparticle, Plastic,Microparticles, Plastic,Microplastic,Nanoparticle, Plastic,Nanoparticles, Plastic,Plastic Microparticle,Plastic Nanoparticle
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D014874 Water Pollutants, Chemical Chemical compounds which pollute the water of rivers, streams, lakes, the sea, reservoirs, or other bodies of water. Chemical Water Pollutants,Landfill Leachate,Leachate, Landfill,Pollutants, Chemical Water

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