Actinopteri (ray-finned fishes) >
Characiformes (Characins) >
Serrasalmidae (Piranhas and pacus) > Serrasalminae
Etymology: Pristobrycon: Greek,pristis = saw + Greek, bryko = to bite (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Tropical
South America: Blackwater areas in a tributary of the Casiquiare River and a tributary of the Atabapo River in Venezuela.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 24.8 cm SL male/unsexed; (Ref. 26694)
Dorsal
soft rays
(total): 15-16;
Anal
soft rays: 29 - 31;
Vertebrae: 37 - 39. Dark spots on the vertical fins and scattered irregularly over the body and head; lack of a pre-anal spine; and lack of fine 'pepper-like' spots.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Fink, W.L. and A. Machado-Allison, 1992. Three new species of piranhas from Brazil and Venezuela (Teleostei: Characiformes). Ichthyol. Explor. Freshwat. 3(1):55-72. (Ref. 26694)
IUCN Red List Status (Ref. 125652)
Threat to humans
Harmless
Human uses
More information
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
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Estimates based on models
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01778 (0.00837 - 0.03779), b=3.13 (2.95 - 3.31), in cm total length, based on LWR estimates for this Subfamily-BS (Ref.
93245).
Trophic level (Ref.
69278): 3.1 ±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 (20 of 100) .
Climate Vulnerability (Ref.
125649): (0 of 100) .