Klassifizierung / Names
Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa
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Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Pristellinae
Etymology: Gymnocorymbus: Greek, gymnos = naked + Greek,korymb = summit, cluster of fruits and flowers (Ref. 45335).
Eponymy: Dr Carl Ternetz (1870–1928) was a Swiss-born ichthyologist and naturalist who first collected near Basel (1892) and subsequently collected in South America over a period of more than thirty years (from c. [...] (Ref. 128868), visit book page.
More on author: Boulenger.
Issue
See Britski et. al. (1999:32) for description.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
; süßwasser pelagisch; pH range: 6.0 - 8.0; dH range: 5 - 19. Subtropical; 20°C - 26°C (Ref. 1672); 11°S - 30°S, 64°W - 48°W
South America: Paraguay and Guaporé River basins to Argentina (Ref. 9086).
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 7.5 cm SL Männchen/unbestimmt; (Ref. 81048)
Occurs in the middle and upper water layers. Feeds on worms, small crustaceans and insects (Ref. 7020). Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 60 cm (Ref. 51150).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
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)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: hoch kommerziell; Aquarium: hoch kommerziell
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Phylogenetischer Diversitätsindex (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01445 (0.00683 - 0.03057), b=3.08 (2.90 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophische Ebene (Ref.
69278): 3.1 ±0.32 se; based on food items.
Widerstandsfähigkeit (Ref.
120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (tm<1).
Anfälligkeit der Fischerei (Ref.
59153): Low vulnerability (10 of 100).
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