This species was found in 3 to 5 metre wide rivers with fast running water, and sandy bottoms with no aquatic vegetation; they were hidden in tree roots along the riverbanks, or under dead leaves at the mouth of small secondary brooks, but they were not found in the small brooks themselves .
Dorsal spines (total): 0; Dorsal soft rays (total): 11 - 14; Anal spines: 0; Anal soft rays: 12 - 15. Diagnosis: This species differs from all other species in the Aphyosemion alpha group through a combination of following features: head with very intense reddish colour, flanks bluish-orange, ventral region orange vs. never same colour pattern . It is distinguished from all other species of the subgenus Chromaphyosemion by an alpha-shaped mark on pre- and post-opercular region vs. no alpha-shaped mark, only some red macules . : fusiform / normal.
Behavioural data for Aphyosemion Rubrogaster is currently being reviewed.
Freshwater; pelagic. Tropical
No observations yet - be the first to log one!
View all observations for Aphyosemion Rubrogaster ↗Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.
Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.