Aquatic Plant Mediates Microplastic Bioavailability in Herbivorous Freshwater Fish.

ABSTRACT: This study analyzed microplastics (MPs; target size: 0.1-5 mm) in freshwater fish and aquatic plants in an urban lake in Kumamoto, Japan. MPs were detected in 82% of the collected sample of herbivorous fish species, Nile tilapia (Oreochromis niloticus) and Redbelly tilapia (Tilapia zillii) at mean level of 10 ± 13 items ind^-1, which was more than 10 times higher than the levels found in two carnivorous fish species, largemouth bass (Micropterus salmoides) and snakehead (Channa argus). Fish samples near the outlets of stormwater runoff and a wastewater treatment plant showed higher abundances of MPs than fish collected from other locations in the lake. Polyethylene (PE), polypropylene (PP), and polyethylene terephthalate (PET) were dominant polymers in fish, accounting for 83%. T

SUBMITTER: Yamahara S 

PROVIDER: S-EPMC12665637 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature