Hyphessobrycon Ribeiroi (Hyphessobrycon ribeiroi) is a ray-finned fish of the family Acestrorhamphidae. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 2.9 cm. With a trophic level of 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms.
Dorsal spines (total): 2; Dorsal soft rays (total): 9 - 10; Anal spines: 4; Anal soft rays: 17 - 21. This species is distinguish the species from its congeners and Hemigrammus species by the following characters (see the original description where the long diagnosis looks more as an identification key): humeral blotch very conspicuous, well-defined, and elongated with a shorter and posterior backward extension; longer anal fin, with a higher number of branched anal-fin rays (17?21 vs. 11?14); caudal peduncle blotch large, symmetric, extending into the basis of the middle caudal fin rays; etc. Other distinguishing characters are listed species by species .Cross section: oval.
Behavioural data for Hyphessobrycon Ribeiroi is currently being reviewed.
Freshwater; demersal; pH range: 4.0 - 5.5. Tropical; 27°C - 28°C South America: Brazil, Central and lower Amazon basin (Ref.
The following diseases are known to affect Hyphessobrycon Ribeiroi.
No observations yet - be the first to log one!
View all observations for Hyphessobrycon Ribeiroi ↗Spotted incorrect or outdated data?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.