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Characiformes (Characins) >
Stevardiidae (Stevardiids) > Stevardiinae
Etymology: Pterobrycon: Greek, pteryx = fin + Greek, bryko = to bite (Ref. 45335).
Eponymy: Myrna Isabel Bussing née López Sanchez (d: 1937) is the widow of William Busing (q. [...] (Ref. 128868), visit book page.
Taxonomic Remarks
See Bussing (1998) for distribution, ecology and other comments on this species. For illustrations of courtship behavior see Weitzman (1975). See Weitzman & Menezes (1998) for relationships. See Burns et al. (1995) for evidence of insemination.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce benthopélagique; pH range: 6.0 - 7.0; dH range: ? - 15. Tropical; 23°C - 26°C (Ref. 2060)
Central America: Pacific drainages of southern Costa Rica, Jicote and Rincon rivers and the Esquinas River of Osa Peninsula.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 3.9 cm SL mâle / non sexé; (Ref. 34092)
Aquarium specimens reach 7.0 cm TL (Ref. 2060). Inhabits creeks of low to high current velocity. Collected in sites between elevations of 10 to 80 m, insectivorous (Ref. 36880).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Weitzman, S.H., 2003. Glandulocaudinae (Characins, tetras). p. 222-230. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 38597)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
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): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01259 (0.00475 - 0.03337), b=3.04 (2.81 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 3.0 ±0.4 se; based on size and trophs of closest relatives
Vulnérabilité de la pêche (Ref.
59153): Low vulnerability (10 of 100).
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