Native Oyster Ostrea edulis
The Native Oyster (Ostrea edulis) was once extraordinarily abundant in Suffolk’s estuaries – the Orwell, Stour, Deben, and Alde all supported extensive oyster fisheries of considerable historic and economic importance to the county. Overexploitation, disease, introduced competitors, and water quality deterioration caused severe population crashes, and Native Oysters are now a fraction of their former abundance. Restoration efforts in several east coast estuaries – including work in the Orwell and Stour – aim to re-establish self-sustaining populations. Oyster beds provide valuable ecosystem services by filtering water and providing complex reef habitat, and their recovery is central to broader estuarine restoration ambitions. Image: © Hans Hillewaert, Flickr.
Find out more: iNaturalist, Marine Life Information Network
Suffolk’s Priority Mollusc Species
Key
Listed as a conservation priority in Suffolk’s Biodiversity Action Plan.
Closely associated with Suffolk’s landscape and natural identity.
Identified as a key priority for recovery under Suffolk’s Local Nature Recovery Strategy.
Has a Species of the Month article attached.
