Biochemical Test of Aeromonas caviae

Biochemical Test of Aeromonas caviae

Image Source: Daniela Beckmann

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 attended St. Xavier’s College, Maitighar, Kathmandu, Nepal, to complete his Master of Science in Microbiology. He worked as a Lecturer at St. Xavier’s College, Maitighar, Kathmandu, Nepal, from Feb 2015 to June 2019. After teaching microbiology for more than four years, he joined the Central Department of Microbiology, Tribhuvan University, to pursue his Ph.D. in collaboration with Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS), Saarbrucken, Germany. He is interested in research on actinobacteria, myxobacteria, and natural products. He has published more than 15 research articles and book chapters in international journals and well-renowned publishers.

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