Water current was moderate to fast in sections of the rivers where Marcusenius caudisquamatus was collected .
Dorsal spines (total): 0; Dorsal soft rays (total): 20 - 22; Anal spines: 0; Anal soft rays: 27 - 28; Vertebrae: 44. Diagnosis: Marcusenius caudisquamatus can be distinguished from its congeners by the following characters: middle body depth 23.8-25.9% of standard length; dorsal fin length 15.4-19.2% of standard length; anal fin length 23.0-24.9% of standard length; pre-dorsal length 61.7-66.7% of standard length; pre-anal length 60.7-62.8% of standard length; caudal peduncle depth 40.4-51.7% of its length; dorsal fin rays 20-22; anal fin rays 27-28; scales around caudal peduncle 19; lateral line scales 72-73; anterior gill rakers (4)+(5-6), total anterior gill rakers 9-10; posterior gill rakers (6)+(9), total posterior gill rakers 15; conical teeth on upper/lower jaws 5-5 . : elongated; Cross section: compressed.
Behavioural data for Marcusenius Caudisquamatus is currently being reviewed.
Freshwater; benthopelagic. Tropical; 25°C - 26°C ; 28°S - 29°S South Africa (Ref.
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