分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Acestrorhamphinae
Etymology: Oligosarcus: Greek, oligos = small + Greek arkos = anus (Ref. 45335).
Eponymy: Reverend Leonard Jenyns (1800–1893) was a clergyman and amateur naturalist. [...] (Ref. 128868), visit book page.
More on author: Günther.
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
; 淡水 底中水層性; 河川洄游 (Ref. 51243). 亞熱帶的
分布
領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
South America: streams, rivers and lagoons of coastal areas and interior plains of Rio Grande do Sul (Brazil), Uruguay and Argentina.
南美洲: 溪流,Rio Grande do Sul(巴西) ,烏拉圭與阿根廷的沿岸區域與內部平原的河川與潟湖。
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 31.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 79585); 最大體重: 330.00 g (Ref. 79585)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
Occurs in ponds. Feeds on fish (Ref. 79585).
出現於池塘。
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南美洲: 溪流,Rio Grande do Sul(巴西) ,烏拉圭與阿根廷的沿岸區域與內部平原的河川與潟湖。
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 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
無危 (LC) ; Date assessed: 04 March 2021
人類使用
漁業: 商業性
工具
特別的報告
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網路資源
基於模型的估計
系統發育多樣性指數 (參考文獻 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
|
a=0.00912 (0.00701 - 0.01187), b=3.12 (3.07 - 3.17), in cm total length, based on LWR estimates for this species (Ref. 93245). |
營養階層 (參考文獻 69278) |
4.0 ±0.60 se; based on food items. |
|
Generation time |
3.5 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies. |
回復力 (參考文獻 120179) |
低的, 最小族群倍增時間4.5 - 14 年 (Fec=21). |
釣魚的脆弱性 (Ref. 59153) |
Low vulnerability (24 of 100). 🛈 |
價格種類 (Ref. 80766) |
Unknown.
|
營養素 (Ref. 124155) |
Calcium = 66.8 [17.7, 163.7] mg/100g; Iron = 1.5 [0.8, 3.5] mg/100g; Protein = 19.1 [17.1, 21.3] %; Omega3 = 0.824 [0.336, 2.190] g/100g; Selenium = 32.2 [13.3, 69.7] μg/100g; VitaminA = 51 [17, 144] μg/100g; Zinc = 1 [1, 1] mg/100g (wet weight); |