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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: Gill.
Issue
Ornamental fish. See Géry (1959, 1966), Planquette et al. (1996: 282-283), and Weitzman & Palmer (1997: 237) for taxonomic remarks.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性; pH range: 6.0 - 7.5; dH range: ? - 20. 熱帶; 23°C - 28°C (Ref. 1672)
Central and South America: River basins of Trinidad, coastal river basins of Venezuela, rivers of Guyana, Suriname, French Guiana; Amazon and Guaporé River basins.
中美洲與南美洲: 千里達的河流域，委內瑞拉的海岸河流域，蓋亞那，蘇利南的河, 法屬圭亞那; 亞馬遜河與 Guapore 河流域。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 5.3 cm TL 雄鱼/尚未辨别雌雄; (Ref. 38376)
Usually found in ponds, ditches, slow flowing streams, both clear and turbid, in both open and shaded areas. A voracious species which feeds on small crustaceans, insects and mollusks (Ref. 12225). Gregarious and non-aggressive, it is reputedly easy to rear and to reproduce in the aquarium (Ref. 27188). Maximum length questionable (Ref. 38376).
通常发现于池塘，沟渠，缓慢流动的溪流,是既清澈的且浑浊的,在开放而阴暗的区域中。 吃小型甲壳动物，昆虫与软件动物的一个狼吞虎咽的种.(参考文献 12225) 群居而非侵略性，它对后面一般认为容易与在水族馆繁殖.(参考文献 27188) 最大的长度可疑的.(参考文献 38376)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
中美洲與南美洲: 千里達的河流域，委內瑞拉的海岸河流域，蓋亞那，蘇利南的河, 法屬圭亞那; 亞馬遜河與 Guapore 河流域。
Planquette, P., P. Keith and P.-Y. Le Bail, 1996. Atlas des poissons d'eau douce de Guyane. Tome 1. Collection du Patrimoine Naturel Volume 22, MNHN, Paris & INRA, Paris. 429 p. (Ref. 12225)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-1)
人类利用
渔业: 商业性; 水族馆: 商业性
工具
特别资料
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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=0.01000 (0.00561 - 0.01782), b=3.01 (2.86 - 3.16), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
营养阶层 (Ref.
69278): 3.4 ±0.44 se; based on food items.
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (tm<1).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
