Thick Shell of Crassostrea gigas 7

Thick Shell of Crassostrea gigas

Thick Shell of Crassostrea gigas 7 – Oyster shell specimen dredged in 1987 with abnormal thickening possibly due to the chemical TBT from anti-fouling paints in the water at Poole Harbour, Dorset, England. Inner surface left valve shown.

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