Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Hyphessobryconinae
Etymology: Hyphessobrycon: Greek, hyphesson, -on, -on = a little smaller + Greek, bryko = to bite (Ref. 45335); pastanai: Name 'pastanai' in honor of Dr. Murilo Nogueira de Lima Pastana, dear friend, ichthyologist and curator in the Museu de Zoologia da Universidade Estadual de Sao Paulo, for his important contributions to the knowledge of fishes from the Apuí region.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Tropical
South America: Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.2 cm SL male/unsexed; (Ref. 138703)
Short description
Identification keys | Morphology | Morphometrics
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Faria, T.C., W.M. Ohara, I.L.P. Monteiro and C. Oliveira, 2026. A new Hyphessobrycon (Characiformes: Acestrorhamphidae) of the Hyphessobrycon agulha lineage of Hyphessobryconinae from the lower Aripuaña basin, Brazil, with comments about the lineage. J Fish Biol. 1-12. (Ref. 138703)
IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))
Threat to humans
Harmless
Human uses
Fisheries: of no interest
Tools
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01202 (0.00479 - 0.03019), b=3.09 (2.89 - 3.29), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Trophic level (Ref. 69278) |
2.9 ±0.3 se; based on size and trophs of closest relatives |
Resilience (Ref. 120179) |
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.). |
Fishing Vulnerability (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |