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: Astyanax: The name of Astyanax, Hector´s son in the Greek mithology (Ref. 45335); paris: Named after Paris, uncle of Astyanax, who fought in the Trojan war (Ref. 46822).
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal; depth range 0 - ? m (Ref. 46822). Subtropical
South America: upper Uruguay River basin in Misiones, Argentina.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 8.6 cm SL male/unsexed; (Ref. 46822)
Morphology | Morphometrics
soft rays: 21 - 27. Distinguished from all Astyanax congeners by the possession of a shallow body (body depth 34.9-39.4% SL); 3-4 maxillary teeth; the insertion of the fifth tooth of the inner premaxillary series posterior to main series; presence of two humeral spots, second humeral spot distinctly vertically elongated and sometimes wider than the first; the presence of 34-36 perforated scales in the lateral series, and iv-v, 20-22 anal fin rays (Ref. 46822). Olive green, iridescent gold in color; red pigmentation on last 4 or 5 procurrent rays, unbranched principal rays and on 3 branched principal rays in each caudal fin lobe, except on distal portion of those rays; yellowish area bounding this red caudal portion; adipose fin and base of anal fins yellowish (Ref. 46822).
Inhabits streams with depths ranging from less than 1 m to over 2 m (Ref. 46822).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Azpelicueta, M. de las M., A. Almirón and J.R. Casciotta, 2002. Astyanax paris: a new species from the río Uruguay basin of Argentina (Characiformes, Characidae). Copeia 2002(4):1052-1056. (Ref. 46822)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 118484)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01660 (0.00727 - 0.03790), b=3.04 (2.86 - 3.22), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245
Trophic level (Ref. 69278
): 2.9 ±0.4 se; based on size and trophs of closest relatives
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .