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Characiformes (Characins) >
Hemiodontidae (Halftooths)
Etymology: Bivibranchia: Latin, bivium = a place where two ways meet; from Latin bi = two + latin, via = way; having or offering two ways; 1877 + Greek, brangchia = gills (Ref. 45335).
More on authors: Géry, Planquette & LeBail.
Taxonomic Remarks
See Géry, Planquette & Le Bail (1991): for detailed description.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
; zoet water benthopelagisch. Tropical
South America: Coppename, Nickerie, Suriname, and Oyapock River basins.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 13.5 cm SL mannelijk / geslacht onbekend; (Ref. 38289)
The size of the eyes, which is relatively large in relation to body size, suggests a crepuscular activity (Ref. 12225). Oviparous (Ref. 205).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Distinct pairing (Ref. 205).
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 op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
Speciale rapporten
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Internetbronnen
Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00537 (0.00256 - 0.01126), b=3.13 (2.95 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 2.9 ±0.4 se; based on size and trophs of closest relatives
Kwetsbaarheid van de visserij (Ref.
59153): Low vulnerability (10 of 100).
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