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Characiformes (Characins) >
Characidae (Characins; tetras) > Stethaprioninae
Etymology: Gymnocorymbus: Greek, gymnos = naked + Greek,korymb = summit, cluster of fruits and flowers (Ref. 45335).
Eponymy: Stephen Van Rensselaer Thayer (1847–1871) was one of Nathaniel Thayer’s sons (see above). He went on the Thayer Expedition as a volunteer. The holotype of this species was collected during that expedition. (Ref. 128868), visit book page.
More on author: Eigenmann.
Issue
See Eigenmann, 1918:125 for description.
Environment: milieu / climate zone / depth range / distribution range
экология
; пресноводный пелагический; pH range: 5.5 - 7.5; dH range: ? - 20. Tropical; 23°C - 27°C (Ref. 1672)
South America: upper Amazon River basin (Bolivia and Colombia). Recorded from the Orinoco River, Guyana, and Trinidad and Tobago.
Size / Вес / Возраст
Maturity: Lm ?  range ? - ? cm
Max length : 7.4 cm SL самец/пол неопределен; (Ref. 121647); наибольший вес (опубликованные данные): 17.00 g (Ref. 121647)
Life cycle and mating behavior
половая зрелость | размножение | нерест | икра | Fecundity | личинки
Lima, F.C.T., L.R. Malabarba, P.A. Buckup, J.F. Pezzi da Silva, R.P. Vari, A. Harold, R. Benine, O.T. Oyakawa, C.S. Pavanelli, N.A. Menezes, C.A.S. Lucena, M.C.S.L. Malabarba, Z.M.S. Lucena, R.E. Reis, F. Langeani, C. Moreira et al. …, 2003. Genera Incertae Sedis in Characidae. p. 106-168. 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. 38376)
Статус Красного Списка МСОП (Ref. 130435: Version 2024-2)
Угроза для людей
Harmless
Использование человеком
рыболовство: коммерческий; аквариум: коммерческий
дополнительная информация
инструменты
Специальные отчеты
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ресурсы в Интернет
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01905 (0.01055 - 0.03442), b=3.07 (2.91 - 3.23), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic level (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
устойчивость к внешним воздействиям (Ref.
120179): высокий, минимальное время удвоения популяции до 15 месяцев (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).