Taxonomy and Pathogenicity of Aeromonas Species in Fish  and Humans

Lavanya Chethurajupalli; Nischal Lakkoju; Sunke Suma Vishnu; Asritha A

doi:10.9734/jabb/2025/v28i42235

Research Article Open access CC BY 4.0

Taxonomy and Pathogenicity of Aeromonas Species in Fish and Humans

Lavanya Chethurajupalli, Nischal Lakkoju, Sunke Suma Vishnu, Asritha A

Journal of Advances in Biology & Biotechnology · pp. 774–789 · Published 21 Apr 2025

10.9734/jabb/2025/v28i42235

Abstract

Aeromonads are the opportunistic gram-negative pathogens affecting both aquatic animals and humans, often causing septicaemic diseases. In the fishes, Aeromonads cause hemorrhagic septicemia, dropsy, and tail and fin rot. Similarly, certain species of Aeromonas are causing gastroenteritis, eye infections, peritonitis, and urinary tract infections in humans. The taxonomy of the Aeromonas genus is highly complex due to its phenotypic variability. To date, 41 species have been identified, of which at least 19 are recognised as major human pathogens. Moreover Aeromonads are widely distributed and can be isolated from diverse habitats, including water, fish, shrimp, poultry, milk, and other food products. This review suggests that pathogenic Aeromonas species poses significant health risks to both fish and humans. Given their potential for causing infections, these bacteria are likely to remain a major public health concern in the future.

Aeromonas fish taxonomy distribution diseases

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Lavanya Chethurajupalli, Nischal Lakkoju, Sunke Suma Vishnu, Asritha A (2025). Taxonomy and Pathogenicity of Aeromonas Species in Fish and Humans. Journal of Advances in Biology & Biotechnology , 774–789. https://doi.org/10.9734/jabb/2025/v28i42235

Affiliations

Lavanya Chethurajupalli — Department of Aquatic Animal Health Management, College of Fishery Science, Andhra Pradesh Fisheries University, Muthukur, Andhra Pradesh, India.
Nischal Lakkoju — Department of Aquaculture, College of Fishery Science, Andhra Pradesh Fisheries University, Muthukur, Andhra Pradesh, India.
Sunke Suma Vishnu — Department of Aquaculture, College of Fishery Science, Andhra Pradesh Fisheries University, Muthukur, Andhra Pradesh, India.
Asritha A — Department of Aquaculture, College of Fishery Science, Andhra Pradesh Fisheries University, Muthukur, Andhra Pradesh, India.

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