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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.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
; acqua dolce benthopelagico; 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.
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 3.9 cm SL maschio/sesso non determinato; (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).
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
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)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio. 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01259 (0.00481 - 0.03292), b=3.04 (2.82 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Livello trofico (Fonte Biblio. 69278) |
3.0 ±0.4 se; based on size and trophs of closest relatives |
Vulnerabilità della pesca (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |