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Characiformes (Characins) >
Stevardiidae (Stevardiids) > Diapominae
Etymology: Bryconamericus: Greek, bryko = to bite + America, latinized (Ref. 45335).
Eponymy: This is not an eponym but derives from a local word used to denote small characins in southern Brazil. (Ref. 128868), visit book page.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce benthopélagique. Temperate
South America: Feitoria Creek and tributaries in Caí River basin, Laguna dos Patos drainage.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 5.6 cm SL mâle / non sexé; (Ref. 33287)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 10; Rayons mous anaux: 19 - 22. Its elongated body with greatest depth 24.6-29.8% of SL; lack of dark pigmentation on the distal tips of the caudal fin; 3 or 4 maxillary teeth. Bryconamericus lambariis further distinguished from B. iheringii by the shallower body depth and shorter pelvic fins; distinguished from B. stramineus in its absence of a conspicuous and wide midlateral stripe (present in B. stramineus).
Body shape (shape guide): fusiform / normal.
Occurs in small river with sandy and rocky bottoms in areas of low current flow.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Malabarba, L.R. and A. Kindel, 1995. A new species of the genus Bryconamericus Eigenmann, 1907 from southern Brazil (Ostariophysi: Characidae). Proc. Biol. Soc. Wash. 108(4):679-686. (Ref. 33287)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menacé (EN) (B1ab(iii)); Date assessed: 07 November 2018
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01288 (0.00544 - 0.03050), b=3.01 (2.82 - 3.20), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Niveau trophique (Réf. 69278) |
2.7 ±0.3 se; based on size and trophs of closest relatives |
Vulnérabilité de la pêche (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |