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Teleostei >
Cypriniformes (Carps) >
Leuciscidae (Minnows) > Laviniinae
Etymology: Gila: A river flowing from Southwest New Mexico westward across south Arizona into the Colorado River.
More on author: Girard.
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. 溫帶; 48°N - 38°N
North America: Snake River system above Shoshone Falls in Wyoming and Idaho; Lake Bonneville basin (including Great Salt Lake drainage and Sevier River system) in southeastern Idaho and Utah, USA. Introduced into east Nevada, upper Missouri River basin in Montana, and Colorado River drainage in Wyoming and Utah.
北美洲: 在美國懷俄明州與愛達荷州與巴那維利湖流域 (包括大的鹽湖流域與 Sevier 河流域) 在美國愛達荷州東南部與猶他州的蛇河系統上游。
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 56.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 86798); common length : 17.5 cm TL 雄魚/尚未辨別雌雄; (Ref. 12193); 最大年齡: 12 年 (Ref. 126511)
背的軟條 (總數) : 9; 臀鰭軟條: 8 - 9. Gila atraria can be distinguished by the following characters: deep, compressed body; large eye; short, blunt snout; 45-65 scales on lateral line; dorsal fin usually with 9 rays; anal fin with 8 rays; pharyngeal teeth 2,5-4,2; olive-brown to blue-black above; yellow to brassy side; clear to olive-yellow fins; and large males with yellow to gold-fin bases, mouth and side of the head, may be gold overall (Ref. 86798).
Body shape (shape guide): fusiform / normal.
Adults occur in lakes, quiet pools of headwaters, creeks and small to medium rivers. Often found in vegetation over mud or sand (Ref. 86798). Migratory behaviour is undetermined (Ref. 126106).
出現於湖,河川源頭,小溪及小型到中型河川的靜止池水。 時常發現於植物中泥之上或沙子。
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
北美洲: 在美國懷俄明州與愛達荷州與巴那維利湖流域 (包括大的鹽湖流域與 Sevier 河流域) 在美國愛達荷州東南部與猶他州的蛇河系統上游。
Page, L.M. and B.M. Burr, 2011. A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p. (Ref. 86798)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
無危 (LC) ; Date assessed: 07 February 2012
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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 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01148 (0.00455 - 0.02896), b=3.03 (2.81 - 3.25), 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) |
2.0 ±0.2 se; based on size and trophs of closest relatives |
回復力 (參考文獻 120179) |
低的, 最小族群倍增時間4.5 - 14 年 (K=0.12-0.28). |
釣魚的脆弱性 (Ref. 59153) |
Moderate to high vulnerability (53 of 100). 🛈 |