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> Characiformes (Characins) > Characidae (Characins; tetras) > Stevardiinae
Etymology: weitzmani: Named for Stanley H. Weitzman for his outstanding contribution to the knowledge of neotropical freshwater fishes.

Environment: milieu / climate zone / depth range / distribution range Ökologie

; süßwasser benthopelagisch. Tropical

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South America: Rio Curuá, a tributary of rio Iriri, rio Xingu basin in Brazil.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 4.1 cm SL Männchen/unbestimmt; (Ref. 81197)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenweichstrahlen (insgesamt) : 10; Afterflossenweichstrahlen: 21 - 23; Wirbelzahl: 36 - 38. A conspicuous dark blotch present at the humeral region. Scales rows between dorsal-fin origin and anal-fin origin 7-8. Mature males with anal-fin gland cup-shaped, its lower part much more developed than the upper (Ref. 81197).

Occurs in clear water rocky rapids, with thick sand on the bottom. Forms small schools of about 10-15 individuals actively swimming against fast flowing waters below a one meter high fall (Ref. 81197).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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Menezes, N.A., A.L. Netto-Ferreira and K.M. Ferreira, 2009. A new species of Bryconadenos (Characiformes: Characidae) from the rio Curuá, rio Xingu drainage, Brazil. Neotrop. Ichthyol. 7(2):147-152. (Ref. 81197)

IUCN Rote Liste Status (Ref. 130435: Version 2024-2)

Nicht untersucht

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01413 (0.00635 - 0.03140), b=2.99 (2.80 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.0 ±0.4 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Bryconadenos weitzmani Menezes, Netto-Ferreira & Ferreira, 2009