This species lives in very small forest streams, less than 1 metre wide, with sandy or rocky bottoms; it hides among roots or dead leaves .
Dorsal spines (total): 0; Dorsal soft rays (total): 11 - 14; Anal spines: 0; Anal soft rays: 13 - 14. Diagnosis: This species differs from all other species in the Aphyosemion alpha group through a combination of following features: head intense orange, flanks purplish-blue, ventral region bluish vs. never same colour pattern; and anal fin purplish-blue, with no punctuation except for some black macules in basal region and irregular submarginal red band vs. anal fin orange with or without punctuation, anal fin blue-orange with no punctuation, regular or no submarginal red band . It differs from all other species of the subgenus Chromaphyosemion with black alpha-shaped mark in pre- and post-opercular region vs. no alpha-shaped mark, only a few red macules . : fusiform / normal.
Behavioural data for Aphyosemion Flammulatum is currently being reviewed.
Freshwater; pelagic. Tropical
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