Obligate air-breathing ; Inhabits marginal vegetation, swamps, and floodplains. Browses on plant tissues with ostracods, dipteran larvae, beetles, mollusks and debris .
Dorsal spines (total): 16 - 19; Dorsal soft rays (total): 9 - 12; Anal spines: 8 - 10; Anal soft rays: 9 - 12; Vertebrae: 25 - 27. Diagnosis: snout blunt; jaws weakly protrusible (ascending process of premaxilla short, not reaching anterior border of orbit); labyrinth composed of a more complex, folded plate; adults larger than 75 mm SL; body depth into SL usually fewer than 3 times; spot at base of caudal fin without pale ring in adults; lachrymal never serrated; flanks without faint mottling; scales in lower vertical series 10-11 (rarely 9); 5 scales from last pored scale in upper lateral line to dorsal-fin base (counting pored scale) . : fusiform / normal.
Behavioural data for Ctenopoma Petherici is currently being reviewed.
Freshwater; benthopelagic; potamodromous . Tropical; 22°C - 26°C
The following diseases are known to affect Ctenopoma Petherici.
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 63 records indexed .
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