Fig. 4.1 (a) Skin ulcer caused by Aeromonas sp. in farmed rainbow
trout. (b) Boil lesion caused by Aeromonas salmonicida subsp.
salmonicida in farmed Atlantic salmon. (c) Deep skin ulcer caused
by Pseudomonas fluorescens in Atlantic salmon smolt. (d) Healing
Pseudomonas ulcer in Atlantic salmon. (e) Winter ulcer associated
with Moritella viscosa in Atlantic salmon. (f) Skin ulcers caused by
Flavobacterium psychrophilum in rainbow trout. (g) Classical Vibrio
infection in Atlantic salmon. (h) Tenacibaculum maritimum in Atlantic
salmon. (i) Early red mark syndrome in rainbow trout. (j) Advanced red
mark syndrome in farmed rainbow trout. (k) Lesion associated with
cormorant strike in Arctic char. (l) Peduncle disease caused by
Flavobacterium psychrophilum in rainbow trout. (m) Ventral skin
haemorrhage in Atlantic salmon with CMS. (n) Systemic Moritella
viscosa infection in Atlantic salmon. (o) Healed skin ulcer in Atlantic
salmon. (p) Papillomatosis in wild Atlantic salmon. (q) Puffy skin with
haemorrhage in rainbow trout. (r) Saprolegnia infection in Atlantic
salmon
34
4 Pathology and Disease Diagnosis