| Basic Characteristics | Properties (Aeromonas hydrophila) |
| Capsule | -ve |
| Catalase | +ve |
| Citrate | +ve |
| Flagella | +ve |
| Gas | +ve |
| Gelatin Hydrolysis | +ve |
| Gram Staining | Gram-negative |
| H2S | +ve |
| Hemolysis | +ve |
| Indole | +ve |
| Maximum Growth Temperature | 41°C |
| Motility | +ve |
| Nitrate Reduction | +ve |
| OF (Oxidative-Fermentative) | Fermentative |
| Oxidase | +ve |
| Oxygen Requirement | Facultative Anaerobe |
| Shape | Rod |
| Spore | -ve |
| String Test | -ve |
| TSIA (Triple Sugar Iron Agar) | Alkali/Acid |
| Urease | -ve |
| VP (Voges Proskauer) | +ve |
| Arabinose | Variable |
| Arabitol | -ve |
| DNase | +ve |
| Dulcitol | -ve |
| Erythritol | -ve |
| Glucose | +ve |
| Gluconate | Variable |
| Lactose | Variable |
| Mannitol | +ve |
| Mucate | -ve |
| Rhamnose | -ve |
| Sorbitol | -ve |
| Sucrose | +ve |
| Trehalose | +ve |
| Xylose | -ve |
| Arbutin | +ve |
| Arginine Dehydrolase | +ve |
| Elastase | +ve |
| Esculin Hydrolysis | +ve |
| Lysine Decarboxylase | +ve |
| Ornithine Decarboxylase | -ve |
| Pectinase | +ve |
| Phenylalanine Deaminase | -ve |
| Pyrazinamidase | +ve |