Biochemical Test of Aeromonas caviae

Biochemical Test of Aeromonas caviae

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Some of the characteristics are as follows:

Basic Characteristics Properties (Aeromonas caviae)
Catalase Positive (+ve)
Citrate Positive (+ve)
Flagella Variable (+/-)
Gas Negative (-ve)
Gelatin Hydrolysis Positive (+ve)
Gram Staining Gram negative
Growth in KCN Positive (+ve)
Growth in 0% NaCl Positive (+ve)
Growth in 3% NaCl Positive (+ve)
H2S Negative (-ve)
Hemolysis Variable (+/-)
Indole Positive (+ve)
Motility Variable (+/-)
Nitrate Reduction Positive (+ve)
Oxidase Positive (+ve)
Shape Rod
Spore Negative (-ve)
String Test Negative (-ve)
Urease Negative (-ve)
VP (Voges Proskauer) Negative (-ve)

Fermentation of

Adonitol Negative (-ve)
Arabinose Positive (+ve)
Arabitol Negative (-ve)
Cellobiose Variable (+/-)
DNase Positive (+ve)
Dulcitol Negative (-ve)
Erythritol Negative (-ve)
Glucose (gas) Negative (-ve)
Glycerol Variable (+/-)
Inositol Negative (-ve)
Lactose Variable (+/-)
Malonate Negative (-ve)
Maltose Positive (+ve)
Mannitol Positive (+ve)
Mannose Variable (+/-)
Melibiose Negative (-ve)
Mucate Negative (-ve)
Phenylpyruvic acid production Positive (+ve)
Raffinose Negative (-ve)
Rhamnose Negative (-ve)
Salicin Positive (+ve)
Sorbitol Negative (-ve)
Sucrose Positive (+ve)
Trehalose Positive (+ve)
Xylose Negative (-ve)

Enzymatic Reactions

Acetate Utilization Positive (+ve)
Arbutin Positive (+ve)
Arginine Dehydrolase Positive (+ve)
Esculin Hydrolysis Positive (+ve)
Elastase Negative (-ve)
Lipase Variable (+/-)
Lysine Negative (-ve)
ONPG (β-galactosidase) Positive (+ve)
Ornithine Decarboxylase Negative (-ve)


  1. Garrity, George Brenner, Don J., Krieg, Noel R., Staley, James R. (2005). Bergey’s Manual of Systematic Bacteriology. Volume 2: The Proteobacteria, Part B: The Gammaproteobacteria.
  2. Igbinosa, I. H., Igumbor, E. U., Aghdasi, F., Tom, M., & Okoh, A. I. (2012). Emerging Aeromonas species infections and their significance in public health. TheScientificWorldJournal, 2012, 625023
  3. Kumar, S., Mukhopadhyay, P., Chatterjee, M., Bandyopadhyay, M. K., Bandyopadhyay, M., Ghosh, T., & Samaddar, D. (2012). Necrotizing fasciitis caused by Aeromonas caviae. Avicenna journal of medicine, 2(4), 94-6.

About Author

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Sagar Aryal

Sagar Aryal is a microbiologist and a scientific blogger. He is doing his Ph.D. at the Central Department of Microbiology, Tribhuvan University, Kathmandu, Nepal. He was awarded the DAAD Research Grant to conduct part of his Ph.D. research work for two years (2019-2021) at Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS), Saarbrucken, Germany. Sagar is interested in research on actinobacteria, myxobacteria, and natural products. He is the Research Head of the Department of Natural Products, Kathmandu Research Institute for Biological Sciences (KRIBS), Lalitpur, Nepal. Sagar has more than ten years of experience in blogging, content writing, and SEO. Sagar was awarded the SfAM Communications Award 2015: Professional Communicator Category from the Society for Applied Microbiology (Now: Applied Microbiology International), Cambridge, United Kingdom (UK). Sagar is also the ASM Young Ambassador to Nepal for the American Society for Microbiology since 2023 onwards.

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