Occurs in mud-bottomed and sand-bottomed canals ; some distance inland from the coast, associated with areas of intact or recently disturbed forest cover. Considered the true 'jewel fish' of aquarists, this species is also used as an experimental animal by physiologists and ethologists . Attains a maximum of 12 cm in captivity. Aquarium keeping: aggressive; in pairs; minimum aquarium size 100 cm .
Dorsal spines (total): 14 - 15; Dorsal soft rays (total): 10 - 12; Anal spines: 3; Anal soft rays: 8 - 9. Diagnosis: 3 black blotches on sides, the first on opercle, the second at midpoint of body, the third on caudal-fin base; upper profile of snout convex or straight . : fusiform / normal.
Behavioural data for Jewelfish is currently being reviewed.
Diet information for Jewelfish is currently being compiled.
Reproduction data for Jewelfish is currently being compiled.
Freshwater; brackish; benthopelagic; pH range: 6.5 - 7.5; dH range: 4 - 16; potamodromous . Tropical; 21°C - 23°C ; 11°N - 4°N West Africa, where it is known from most hydrographic basins (Ref.
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