Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Characiformes
(Characins) > Characidae
(Characins) > Incertae sedis
Etymology: Hyphessobrycon: Greek, hyphesson, -on, -on = a little smaller + Greek, bryko = to bite (Ref. 45335); tuyensis: Named for its type locality, the Tuy River of the Caribbean slope of Venezuela.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Tropical
South America: known only from the type locality in the Tuy River drainage of northern Venezuela.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.1 cm SL male/unsexed; (Ref. 79635)
Morphology | Morphometrics
soft rays: 24 - 25;
Vertebrae: 32. Distinguished from other species of the genus in having the following characters: inner premaxilla row with 4 teeth; lateral line with 7 pored scales, except in Hyphessobrycon compressus with 7-9; dentary with 6 teeth; maxilla with 2 foramina; mouth subterminal; long bony laminar prolongation on postcleithrum 3 that is 3/4 of the length of that bone; and a continuous dark lateral band from posterior edge of opercle through central caudal-fin rays, except in Hyphessobrycon sovichthys (Ref. 79635).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
García-Alzate, C.A., C. Román-Valencia and D.C. Taphorn, 2008. Revision of the Hyphessobrycon heterorhabdus-group (Teleostei: Characiformes: Characidae), with description of two new species from Venezuela. Vertebrate Zoology 58(2):139-157. (Ref. 79635)
IUCN Red List Status (Ref. 119314)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01288 (0.00604 - 0.02750), b=3.05 (2.87 - 3.23), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 2.9 ±0.3 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .