Classification / Names
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Characiformes (Characins) >
Characidae (Characins; tetras) > Stethaprioninae
Etymology: Psalidodon: Greek, psalis, -idos = scissors + Greek, odous = teeth (Ref. 45335).
More on author: Cuvier.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; acqua dolce benthopelagico; potamodromo (Ref. 51243). Subtropical; 20°C - 25°C (Ref. 2059)
South America: most freshwater basins from Mexico to Argentina.
Length at first maturity / Size / Peso / Age
Maturity: Lm 8.4  range ? - ? cm
Max length : 17.1 cm TL maschio/sesso non determinato; (Ref. 101561); common length : 12.0 cm SL maschio/sesso non determinato; (Ref. 56003); peso massimo pubblicato: 109.10 g (Ref. 130067)
Short description
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 1; Raggi dorsali molli (totale) : 9; Spine anali: 2; Raggi anali molli: 2. One maxillary tooth (Ref. 46822).
Inhabits streams and rivers without strong currents (Ref. 26543) and lentic areas (Ref. 1129). Vivacious, eats small fish and will bite pieces of meat (Ref. 5518). Sometimes used as table fish; flesh of good flavor but with lots of fish bones.
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
Galvis, G., J.I. Mojica and M. Camargo, 1997. Peces del Catatumbo. Asociación Cravo Norte, Santafé de Bogotá, D.C., 188 p. (Ref. 26543)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Pesca: scarso interesse commerciale
Strumenti
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01318 (0.01108 - 0.01568), b=3.07 (3.03 - 3.11), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trophic level (Ref.
69278): 3.0 ±0.3 se; based on diet studies.
Generation time: 2.0 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
Resilienza (Ref.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (16 of 100).