Proteus sp.
Proteus species are Gram-negative, facultatively anaerobic bacteria found in aquatic environments. They are opportunistic pathogens that can cause infections in fish, leading to ulcerative lesions, hemorrhages, and systemic infections. Infections are often associated with poor water quality and stress.
Distribution: Worldwide in freshwater and marine environments.
Hosts: Various fish species.
Detection Methods: Bacterial culture – TSA (tryptic soy agar).
Target Tissue: Skin, gills, and internal organs.