![Sardines are measured as part of the study led by Marta Coll.](https://imagenes.elpais.com/resizer/v2/FJCEH6KDGENU4IRBIASOIG3NJI.jpg?auth=7da394ddcfb7dc8d090633b1d0570a82cdb5334ece22ca39eea59db54a5c905e&width=414&height=233&focal=450%2C247)
Microplastics and parasites: A look inside the fish of the Western Mediterranean
Study finds a correlation between the presence of small synthetic fibers and the prevalence of worms in the guts of sardines and anchovies, two of the most commercialized species