Data and Publications - Registry of Aquatic Pathology View Record Accession number: 81 Host species (latin): Salmo trutta Common name: Trout, Brown Disease/condition: Gill parasite Location (host): Gill lamellae Aetiology: Unknown, possibly not parasite but diatom Aetiology: Unknown, possibly not parasite but diatom Additional Information: Significance: 80% fish affected. Lession: Epithelial hyperplasia of secondary lamellae. Stains: Location: River fed farm in East Anglia Area: England Country: UK Submitter: D. Bucke Accession date: 9/28/1979 Images: Working for a sustainable blue future