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) >
Hemiodontidae (Halftooths)
半齒脂鯉科 (Halftooths)
Etymology: Hemiodus: Greek, hemi = half + Greek, odous = teeth (Ref. 45335).
Issue
See Langeani (1999: 719 and Tab. 1) for some diagnostic characters and comparison with other species.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 熱帶
South America: Solimões, Negro, and Orinoco River basins.
南美洲: Solimoes ，尼格羅河與奧里諾科河河流域。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 8.9 cm SL 雄魚/尚未辨別雌雄; (Ref. 38289)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
Dorsal fin plain, with no blotch; longitudinal midlateral dark stripe starting just after the opercle, not after the eye as in H. tocantinensis and H. ternetzi.
背鰭素色的, 沒有斑塊; 就在鰓蓋之後開始的縱向側面中央的深色斑紋, 不在眼之後當在 H. tocantinensis 與 H. ternetzi 中.
Oviparous (Ref. 205).
卵生的.(參考文獻 205)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Distinct pairing (Ref. 205).南美洲: Solimoes ，尼格羅河與奧里諾科河河流域。
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 2024-2)
無危 (LC) ; Date assessed: 20 August 2020
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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 (0.00360 - 0.03499), b=2.93 (2.68 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.8 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
