分类 / Names
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Teleostei >
Characiformes (Characins) >
Characidae (Characins; tetras) > Stethaprioninae
Etymology: Hemigrammus: Greek, hemi = half + Greek, gramma = letter, signal (Ref. 45335).
More on author: Steindachner.
Issue
See Géry (1959, 1964) and Planquette et al. (1996: 278-279) for taxonomical, distributional and ecological remarks.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性; pH range: 6.0 - 8.0; dH range: 5 - 19. 熱帶; 22°C - 26°C (Ref. 1672)
South America: Rivers of Guyana, Suriname, French Guiana, and Amazon basin in Brazil and Peru.
南美洲: 在巴西與祕魯的蓋亞那，蘇利南，法屬圭亞那與亞馬遜河流域的河。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 4.9 cm TL 雄鱼/尚未辨别雌雄; (Ref. 116983)
Occurs along the coastal zone and prefers water bodies with little current. Lives in groups. Feeds on worms, small insects, crustaceans and plants (Ref. 7020). The males are generally very much smaller and more svelte than the females. It is a very prolific species and its reproduction can easily be carried out in the aquarium (Ref. 12225). With an incubation temperature of 26°C, hatching of the eggs occurs within 48 to 60 hours (Ref. 27188). Maximum length questionable (Ref. 38376). Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 60 cm (Ref. 51539).
生存沿着海岸的区域而且偏爱水体水流很少的地方。 群居。 吃蠕虫，小的昆虫，甲壳动物与植物。 (参考文献 7020) 雄性通常非常较小与更苗条的超过雌性。 它是一个非常多产的种与它的繁殖能容易地是在水族馆成功完成.(参考文献 12225) 有一个 26 °C 的孵育温度, 卵的孵化在 48 到 60 小时里面出现。 (参考文献 27188) 最大的长度可疑的.(参考文献 38376) 水族馆保持: 形成 5个或更多个体的群体; 水族馆最小体型 60 公分.(参考文献 51539)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南美洲: 在巴西與祕魯的蓋亞那，蘇利南，法屬圭亞那與亞馬遜河流域的河。
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)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-1)
人类利用
渔业: 没有兴趣; 水族馆: 高经济性
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00671 - 0.01877), b=3.14 (3.00 - 3.28), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.2 ±0.41 se; based on food items.
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
