Greek scientists are turning to mussels to help measure the growing problem of microplastic pollution in the Mediterranean Sea, one of the world’s most polluted marine environments.
Researchers from the Hellenic Center for Marine Research (HCMR) have placed cages of mussels on the seafloor at several sites across Greece to monitor how microplastics accumulate in marine tissue and assess long-term pollution trends.
Greek scientists use mussels to track microplastic pollution in the Mediterranean Sea. In a groundbreaking study, Greek scientists are using the natural filtering abilities of mussels to monitor microplastic pollution across the Mediterranean Sea.
Researchers from the Hellenic Center for Marine Research (HCMR) have placed cages of mussels on the seafloor at several sites across Greece to monitor how microplastics accumulate in marine tissue and assess long-term pollution trends.
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This innovative approach offers an economical and environmentally friendly way to assess the level of microplastic contamination in the marine environment.
Methodology Scientists collect mussels from various coastal areas and analyze their tissues for microplastic particles. Since mussels are filter feeders, they accumulate microplastics present in the water, making them excellent bioindicators of pollution levels.
By analyzing these organisms, researchers can obtain information on the concentration and distribution of microplastics in different areas and at various depths. Key findings The study reveals the widespread presence of microplastics in mussels from many Mediterranean locations, indicating pervasive pollution.
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Mussels (bivalve molluscs) are used as bioindicators—biological tools that reflect the overall health and pollution level of their environment.
They are sessile filter feeders, processing large volumes of water and directly absorbing contaminants. pic.twitter.com/nGb00qqluM
— Raj Malhotra (@Rajmalhotrachd) November 11, 2025
