分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins)
脂鯉目 (Characins) >
Hemiodontidae (Halftooths)
半齒脂鯉科 (Halftooths)
Etymology: Hemiodus: Greek, hemi = half + Greek, odous = teeth (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: Myers.
Taxonomic Remarks
See Langeani (1999: 719 and Tab. 1) for some diagnostic characters and comparison with other species.
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. 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: Tocantins River basin in Brazil.
南美洲: Tocantins 河流域。
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 21.5 cm SL 雄魚/尚未辨別雌雄; (Ref. 125983); 25.2 cm (female); 最大體重: 244.94 g (Ref. 125983); 最大體重: 244.94 g
Dorsal fin plain, with no blotches; longitudinal stripe starting point behind the eye.
Body shape (shape guide): elongated.
背鰭素色的, 沒有斑塊; 縱向的斑紋起點眼睛後面。
Iteroparous synchronous spawner (Ref. 51777).
反復生殖的同步產卵魚.(參考文獻 51777)
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Distinct pairing (Ref. 205).南美洲: Tocantins 河流域。
Langeani, F., 1999. New species of Hemiodus (Ostariophysi, Characiformes, Hemiodontidae) from the Rio Tocantins, Brazil, with comments on color patterns and tooth shapes within the species and genus. Copeia 1999(3):718-722. (Ref. 31397)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
無危 (LC) ; Date assessed: 20 August 2020
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基於模型的估計
系統發育多樣性指數 (參考文獻
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00912 (0.00578 - 0.01439), b=3.20 (3.06 - 3.34), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (參考文獻
69278): 2.7 ±0.3 se; based on size and trophs of closest relatives
釣魚的脆弱性 (Ref.
59153): Low vulnerability (12 of 100).
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