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169
Anguilla anguilla
Eel, European
Papillomatosis
Head
Possibly viral
Possibly viral
Only one eel affected. Electro-fished from Rig Mill beck (N. Yorkshire). This condition is well known in eels.
Raised papillomatous lesion characterised by marked epithelial hyperplasia; the epidermis forming distinct folds supported by strands of connective tissue of varying thickness.
Yorkshire Water Authority
North west England
UK
D. Bucke
5/20/1980