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Teleostei (teleosts) > Characiformes (Characins) > Acestrorhamphidae (American tetras) > Hyphessobryconinae
Etymology: Hyphessobrycon:Greek, hyphesson, -on, -on = a little smaller + Greek, bryko = to bite (Ref. 45335); moniliger:From the modified anal-fin rays of males which resembles a string of beads; an adjective. More on authors: Moreira, Lima & Costa.
Environment: milieu / climate zone / depth range / distribution range Ecology
South America: Brazil (Araguaia-Tocantins River and upper Tapajós River basin).
Size / Weight / Age
Maturity: Lm? range ? - ? cm Max length : 3.1 cm SL male/unsexed; (Ref. 94770)
Short description Identification keys | Morphology | Morphometrics
Dorsalspines (total): 0; Dorsalsoft rays (total): 11; Analsoft rays: 26 - 30; Vertebrae: 31 - 33. Males with a broad, convex anal-fin lobe formed by the 12-14 anteriormost rays, which are more elongated and thickened than the remaining rays; pelvic bones elongated, protruding through the body wall in some of the largest specimens; dorsal and pelvic fins not elongated in mature males; caudal peduncle blotch asymmetric and not as dark in males; all dentary teeth cusps in a straight line and 3 teeth in the maxilla (Ref. 42938).
Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Moreira, C.R., F.C.T. Lima and W.J.E.M. Costa, 2002. Hyphessobrycon moniliger, a new characid fish from rio Tocantins basin, Central Brazil (Ostariophysi: Characiformes). Ichthyol. Explor. Freshwat. 13(1):73-80. (Ref. 42938)
IUCN Red List Status (Ref. 130435: Version 2025-2)
