Researcher from the Institut Océanographique Paul Ricard inserting a tissue sample from a large Pen Shelll (Pinna nobilis) into a test tube in the Diana pond (Aléria, Haute-Corse). The Pen shell is a species classified as critically endangered following the epizootic (linked to a Haplosporidium parasite) which has affected the entire Mediterranean region since 2016.
Mathieu Foulquié / Biosphoto
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Shooting date : 2021-05-28