718
describes the increased susceptibility of chinook salmon from a contaminated estuary to V. anguillarum (Arkoosh et al . 1998 ). Undoubtedly, the future will bring
further examples.
Zoonoses
It should not be ignored that some fi sh pathogens may also on occasion cause disease in humans. Fortunately, the incidences are low, but culprits include: Aer.
hydrophila (causing diarrhoea and septicaemias), Edw. tarda (diarrhoea), Myc. fortuitum (mycobacteriosis; fi sh tank granuloma), Myc. marinum (mycobacteriosis;
fi sh tank granuloma), Ph. damselae subsp. damselae (necrotising fasciitis, bacteraemia), Ps. fl uorescens (wound infections), Str. iniae (“mad fi sh disease”) and V. vulnifi cus (wound infections) (e.g. Rivas et al . 2013a , b ; Gauthier 2015 ). Even aquarium
water is not without risk as Aer. schubertii, Aer. veronii, Aer. hydrophila, Coxiella
burnetii, Legionella birminghamensis, Legionella pneumophila, Plesiomonas shigelloides V. cholerae, V. mimicus and V. vulnifi cus were detected in Rhode Island,
USA in water containing goldfi sh ( Carassius auratus ) and Chinese algae eaters
( Gyrinocheilus aymonieri ) by sequencing of the 16S rRNA gene (Smith et al . 2012 ).
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15 Conclusions
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