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) >
Acestrorhynchidae (Smallscale pike characins)
狼牙脂鯉科 (Smallscale pike characins) > Roestinae
Eponymy: Dr Charles Henry Gilbert (1859–1928) was an ichthyologist and fishery biologist, whose main area of study was Pacific salmon. [...] (Ref. 128868), visit book page.
More on author: Schultz.
Taxonomic Remarks
See Lucena & Menezes (1998) for phylogenetic relationships and Menezes & Lucena (1998) for detailed description.
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. 熱帶
South America: Rio Atrato basin, Colombia.
南美洲: Rio Atrato 流域,哥倫比亞。
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 11.9 cm SL 雄魚/尚未辨別雌雄; (Ref. 38270)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 11; 臀棘: 4 - 5; 臀鰭軟條: 43 - 49; 脊椎骨: 38. In addition to the autapomorphic presence of a bony ridge on the lateral face of the second branchiostegal ray, this species can be separated from G. alatus in having more lateral line-scales (68-75, versus 58-59), more scale rows between lateral line and anal-fin origin (13-16, versus 9-12) and more scale rows around caudal peduncle(21-23, versus 19). It differs from G. maracaiboensis by its shorter pelvic fin (11.4-13.9% SL, versus 13.6-15.8) and the larger interorbital space (16.6-22.1% SL, versus 21.8-24.5).
Body shape (shape guide): fusiform / normal.
以及 autapomorphic 有在第二個鰓條骨的側面上的一個骨脊, 這種能被與 G. alatus 分開有更多的側線-鱗片 (68-75, 對 58-59), 尾柄的周圍在側線與臀鰭起源 (13-16, 對 9-12) 與更多的鱗片列之間的更多的鱗片列.(21-23, 對 19) 它用它的較短的腹鰭 (11.4-13.9% SL, 對 13.6-15.8) 與較大的眼間隔有別於 G. maracaiboensis 。 (16.6-22.1% SL, 對 21.8-24.5)
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: Rio Atrato 流域,哥倫比亞。
Menezes, N.A. and C.A.S. de Lucena, 1998. Revision of the subfamily Roestinae (Ostariophysi: Characiformes: Cynodontidae). Ichthyol. Explor. Freshwat. 9(3):279-291. (Ref. 33012)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
無危 (LC) ; Date assessed: 10 October 2014
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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) |
PD50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01202 (0.00470 - 0.03074), b=3.00 (2.78 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
營養階層 (參考文獻 69278) |
3.9 ±0.7 se; based on size and trophs of closest relatives |
回復力 (參考文獻 120179) |
高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.). |
釣魚的脆弱性 (Ref. 59153) |
Low vulnerability (15 of 100). 🛈 |