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Table 2 Colonial, morphological and biochemical characteristics of various bacterial isolated from cultured and natural habitats

From: Assessment of bacterial loads of Clarias gariepinus (Burchell, 1822) obtained from cultured and natural habitats

Probable organism Edge Colour Elevation Shape and arrangement Gram stain Coagulase Catalase Starch hydrolysis Sugar fermentation
Glucose Lactose Maltose Sucrose Galactose
Staphylococcus aureus Irregular Yellow Raised Cocci in cluster + + + + + + + +
Pseudomonas
Aeruginosa
Irregular Blue green Raised Rod + + +
Staphylococcus epidermis Entire Cream Raised Cocci + + + + + + +
Streptococcus spp. Irregular Red Raised Cocci in short chains + + + + +
Escherichia coli Undulated Greyish white Flat Rod in singles + + +
Micrococcus luteus Irregular Yellow Raised Cocci + + + + + +
Bacillus subtilis Entire Cream Slightly raised Rod in chains + + + + + + + +