Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce benthopélagique; pH range: 5.8 - 7.8; dH range: ? - 20. Tropical; 22°C - 27°C (Ref. 2059)
South America: Paraná River basin.
Length at first maturity / Taille / Poids / Âge
Maturity: Lm 10.4  range ? - ? cm
Max length : 24.0 cm TL mâle / non sexé; (Ref. 115169); common length : 12.3 cm SL mâle / non sexé; (Ref. 56003)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Vertèbres: 33. Diagnosed by the following characters: dental formula 4/4; 34 or 35 scales in the lateral line; 4/4 or 4/5 transversal series of scales; and 16 circumpeduncular series of scales (Ref. 75002).
Distinct pairs breed on densely grown weedy places (Ref. 205).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Distinct pairs breed on densely grown weedy places (Ref. 205).
Oyakawa, O.T., 1998. Catalogo dos tipos de peixes recentes do Museu de Zoologia da USP. I. Characiformes (Teleostei: Ostariophysi). Pap. Avuls. Zool. 39(23):443-507. (Ref. 27925)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
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=0.02188 (0.01482 - 0.03230), b=3.10 (2.98 - 3.22), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.7 ±0.57 se; based on food items.
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (14 of 100).