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Characiformes (Characins) >
Characidae (Characins; tetras) > Stevardiinae
Etymology: Pterobrycon: Greek, pteryx = fin + Greek, bryko = to bite (Ref. 45335).
Eponymy: Hugh McKennan Landon (1867–1947) was an Indianapolis businessman and philanthropist who helped finance the Chocó, Colombia, expedition that collected the holotypes of both Hemiancistrus landoni and Pterobrycon landoni. (Ref. 128868), visit book page.
More on author: Eigenmann.
Issue
No recent systematic descriptions, but its presence in río Atrato confirmed recently by Bork (2000a), imported alive into Germany as bycatch with Nematobrycon palmeri. See Bork (2000b) for a brief account of breeding this fish. See Weitzman & Menezes (1998) for relationships.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bentopelagisk. Tropical
South America: Middle and upper Atrato River basin in Colombia.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 2.5 cm SL hane/ej könsbestämd; (Ref. 34092)
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
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)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00955 (0.00443 - 0.02057), b=3.06 (2.88 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.0 ±0.4 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).