分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins)
脂鯉目 (Characins) >
Characidae (Characins; tetras)
脂鯉科 (Characins; tetras) > Stethaprioninae
Etymology: Gymnocorymbus: Greek, gymnos = naked + Greek,korymb = summit, cluster of fruits and flowers (Ref. 45335).
More on author: Boulenger.
Issue
See Britski et. al. (1999:32) for description.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 大洋性; pH range: 6.0 - 8.0; dH range: 5 - 19. 亞熱帶的; 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).
南美洲: 巴拉圭與 Guapore 河到阿根廷流域.(參考文獻 9086)
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 7.5 cm SL 雄魚/尚未辨別雌雄; (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).
出現於中央與上層水域。 吃蠕蟲，小型甲殼動物與昆蟲。 (參考文獻 7020) 水族館保持: 形成 5個或更多個體的群體; 水族館最小體型 60 公分.(參考文獻 51150)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
南美洲: 巴拉圭與 Guapore 河到阿根廷流域.(參考文獻 9086)
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)
人類使用
漁業: 高經濟性; 水族館: 高經濟性
工具
特別的報告
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網路資源
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=0.01413 (0.00671 - 0.02974), b=3.08 (2.91 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.1 ±0.32 se; based on food items.
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (tm<1).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
