Category:Aeromonas species

Overview

• Gram negative bacteria
• Found in aquatic environments
• Opportunistic pathogens of fish, reptiles and rarely mammals

Characteristics

• Straight rods
• Catalase and oxidase positive
• Facultative anaerobes
• Motile
• Grow on non-enriched media; NaCl supplementation required for Vibrio species
• Found in freash water and oral cavity and skin of fish and reptiles

Aeromonas salmonicida

• Furunculosis in salmon and goldfish

Aeromonas hydrophila

• Red-leg syndrome in amphibians
• Ulcerative stomatitis, pneumonia and septicaemia in captive snakes
• Haemorrhagic septicaemia in freshwater fish
• Abortion in cattle
• Septicaemia in young dogs
• Haemorrhagic colitis in rabbits
• Food poisoning in humans

Diagnosis

• Isolation and identification from lesions
• Widespread in environments

Treatment

• Antibiotics including Cephalosporins