12
Table 1.1
(continued)
Pathogen
Disease
Host Range
Geographical distribution
Yersinia ruckeri
enteric redmouth (ERM), salmonid blood spot
salmonids
Australia, Europe, North
and South America
Flavobacteriaceae representatives
Chryseobacterium balustinum
(= Flavobacterium balustinum
fl avobacteriosis
marine fi sh
USA
Chryseobacterium aahli
–
Great Lakes salmonids
USA
Chryseobacterium indologenes
–
Yellow perch ( Perca fl avescens
)
USA
Chryseobacterium piscicola
skin and muscle ulceration
Atlantic salmon, rainbow trout
Chile, Finland
Chryseobacterium scophthalmum
(= Flavobacterium scophthalmum)
gill disease; generalised septicaemia
turbot
Scotland
Flavobacterium branchiophilum
gill disease
salmonids
Europe, Korea, Japan,
USA
Flavobacterium columnare
(=Flexibacter/Cytophaga columnaris
columnaris, saddleback disease
many freshwater fi sh species
worldwide
Flavobacterium hydatis (= Cytophaga
aquatilis)
gill disease
salmonids
Europe, USA
Flavobacterium johnsoniae
(= Cytophaga johnsonae)
gill disease, skin disease
barramundi (Lates calcarifer),
koi
carp, rainbow trout, longfi n eel
( Anguilla mossambica
)
Australia, France, South
Africa
Flavobacterium oncorhynchi
–
rainbow trout
Spain
bacterial gill disease
salmonids
Europe, USA
Flavobacterium psychrophilum
(= Cytophaga psychrophila)
coldwater disease, rainbow trout fry syndrome,
necrotic myositis
perch ( Perca fl uviatilis
),
salmonids, sea lamprey
(Petromyzon marinus)
Australia, Europe, Japan,
North America
Flavobacterium spartensis
–
Chinook salmon
USA
Flavobacterium succinicans
bacterial gill disease
rainbow trout
USA
Flectobacillus roseus
fl ectobacillosis
rohu
India
1 Introduction