Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bentopelagisk. Tropical
South America: Paraguay River basin (Ref. 36801). Reported from Venezuela (Ref. 40172).
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 35.0 cm SL hane/ej könsbestämd; (Ref. 81048)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Mjukstrålar i ryggfenan (totalt) : 12; Mjukstrålar i analfenan: 10; Ryggkotor: 40 - 42.
Adults feed on macrophytes (Ref. 75767). Distinct pairs breed on densely grown weedy places (Ref. 205).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Distinct pairs breed on densely grown weedy places (Ref. 205).
Sidlauskas, B.L., J.C. Garavello and J. Jellen, 2007. A new Schizodon (Characiformes: Anostomidae) from the Río Orinoco system, with a redescription of S. isognathus from the Río Paraguay System. Copeia 2007(3):711-725. (Ref. 75767)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Verktyg
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=0.01047 (0.00456 - 0.02402), b=3.05 (2.85 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 2.4 ±0.2 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (33 of 100).