Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Characiformes
(Characins) > Characidae
(Characins) > Characinae
Etymology: Priocharax: Greek, prio = to saw + Greek, charax, -akos = a fish without identification (Ref. 45335); ariel: Named for Ariel (an airy spirit), in reference to its tiny and translucent nature in its natural habitat. More on authors: Weitzman & Vari.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Tropical
South America: Upper Negro and Orinoco River basins.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 1.5 cm SL male/unsexed; (Ref. 96862)
Morphology | Morphometrics
Inhabits still waters of shaded rain forest streams (Ref. 28825).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Weitzman, S.H. and R.P. Vari, 1987. Two new species and a new genus of miniature characid fishes (Teleostei: Characiformes) from northern South America. Proc. Biol. Soc. Wash. 100(3):640-652. (Ref. 28825)
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
= 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00359 - 0.02661), b=3.07 (2.83 - 3.31), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.0 ±0.5 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .