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Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Stichonodontinae
Eponymy: Dr William J Moenkhaus (1871–1947) was an American geneticist and ichthyologist who became Professor of Physiology at Indiana University Medical School (1904–1941), where he was Eigenmann’s colleague. [...] (Ref. 128868), visit book page.
More on authors: Müller & Troschel.
Taxonomic Remarks
See Géry (1977: 446) for identification key.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bentopelagisk; pH range: 6.0 - 6.8; dH range: 2 - 4. Tropical; 21°C - 25°C (Ref. 12468)
South America: the Guianas and the Amazon basin.
Storlek / Vikt / Ålder
Könsmognad: Lm ? range ? - ? cm
Max length : 10.0 cm SL hane/ej könsbestämd; (Ref. 38376)
It is typical of rapidly flowing waters, in cascades and creeks with sandy-rocky bottoms, where it is very abundant. Can also be found in calm waters. It can escape its predators by effecting dramatic leaps out of the water. It is a gregarious species which swims constantly near the surface of the water, on the look out for its food in the company of Bryconops melanurus (Ref. 12225).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Planquette, P., P. Keith and P.-Y. Le Bail, 1996. Atlas des poissons d'eau douce de Guyane. Tome 1. Collection du Patrimoine Naturel Volume 22, MNHN, Paris & INRA, Paris. 429 p. (Ref. 12225)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: av potentiellt intresse
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01445 (0.00581 - 0.03597), b=3.00 (2.78 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.5 ±0.5 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (10 of 100).
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