Enterobacter sp.

ALSO KNOWN AS: Opportunistic Septicemia

Enterobacter species are Gram-negative, facultatively anaerobic bacteria found in aquatic environments. They are opportunistic pathogens that can cause systemic infections in fish, especially under stress or poor water conditions. Infected fish may develop hemorrhagic septicemia, ulcers, and fin erosion.

Distribution: Worldwide in freshwater and marine environments.

Hosts: Various freshwater and marine fish species.

Detection Methods: Bacterial culture – TSA (tryptic soy agar).

Target Tissue: Blood and internal organs.