分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cypriniformes (Carps) >
Leuciscidae (Minnows) > Laviniinae
Etymology: Gila: A river flowing from SW Mejico to south Arizona.
More on author: Girard.
Environment: milieu / climate zone / depth range / distribution range
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
Maturity: 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)
簡短描述
型態特徵 | 形態測量圖
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).
Occurs in lakes, quiet pools of headwaters, creeks and small to medium rivers. Often found in vegetation over mud or sand (Ref. 86798).
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。
Life cycle and mating behavior
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)
無危 (LC) ; Date assessed: 07 February 2012
人類使用
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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=0.01148 (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 (Ref.
69278): 2.0 ±0.2 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (K=0.12-0.28).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (53 of 100).
