分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Taxonomic Remarks
The species Pantosteus jarrowii (Cope, 1874) is valid. The species summary page will be created.
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
; 淡水 居於水底的; 河川洄游 (Ref. 126106). 溫帶; 44°N - 35°N
North America: Snake River system (Columbia River drainage), Wyoming, and Idaho; Lake Bonneville basin, Idaho, Wyoming and Utah; south through upper Colorado river drainage (Grand Canyon and above), Wyoming, Colorado, Utah, New Mexico and Arizona in the USA. Two subspecies were recognized: Catostomus discobolus discobolus and Catostomus discobolus jarrovii.
北美洲: 在美國懷俄明州與愛達荷州的蛇河流域; 在愛達荷,懷俄明州與美國猶他州的巴那維利湖流域;
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 41.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 86798)
Blue head (darkest on adult; no blue in Little Colorado River, Arizona population), slender caudal peduncle, predorsal scales usually 50 or more, and 78-122 scales on lateral line (Ref. 86798).
Body shape (shape guide): elongated.
Adults inhabit rocky riffles and runs of small to large rivers (Ref. 5723, 86798).
成魚棲息於小型到大型河川的岩石的急流與小支流。
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的蛇河流域; 在愛達荷,懷俄明州與美國猶他州的巴那維利湖流域;
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: 26 October 2011
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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 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00537 (0.00232 - 0.01243), b=3.05 (2.84 - 3.26), 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) |
3.1 ±0.4 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=0.089-0.32). |
釣魚的脆弱性 (Ref. 59153) |
Low to moderate vulnerability (33 of 100). 🛈 |