分類 / Names
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Teleostei >
Cypriniformes (Carps)
鯉形目 (Carps) >
Catostomidae (Suckers)
亞口魚科 (Suckers) > Catostominae
Etymology: Moxostoma: Greek, myxo = to suckle + Greek, stoma = mouth (Ref. 45335); duquesnei: Named after Fort Duquesne, upper Ohio River drainage, Pittsburgh, Pennsylvania; type locality (Ref. 10294).
Eponymy: This is not a true eponym, but is named after Fort Duquesne (now Pittsburgh, Pennsylvania, USA) so actually a toponym. The fort was named after Marquis Duquesne, the governor-general of New France (i.e. the area of North America colonised by the French). (Ref. 128868), visit book page.
More on author: Lesueur.
Issue
The original specific epithet is duquesnii but the unjustified emendation duquesnei is in current prevailing usage (see ECoF for nomenclatural details).
Environment: milieu / climate zone / 深度上下限 / distribution range
生態學
; 淡水 居於水底的. 溫帶; 43°N - 32°N
North America: lower Great Lakes and Mississippi River basin from Ontario in Canada and from New York to southeastern Minnesota in USA and south to northern Alabama and eastern Oklahoma, USA; upper and middle Mobile Bay drainage in Georgia, Alabama and southeastern Tennessee in USA.
北美洲: 五大湖下游與密西西比河流域從加拿大安大略省與從紐約到明尼蘇達州東南方而且南至阿拉巴馬州北部與俄克拉荷馬州東部; 在美國的喬治亞州，阿拉巴馬州與田納西州東南方的上游與中游的摩比灣流域。
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 51.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 5723); common length : 28.5 cm TL 雄魚/尚未辨別雌雄; (Ref. 12193); 最大體重: 1.0 kg (Ref. 40637); 最大年齡: 10 年 (Ref. 12193)
Inhabits sand-bottomed to rock-bottomed pools and runs of creeks and small to medium rivers. Also found in impoundments (Ref. 5723, 10294). Adult feeds on small benthic invertebrates, especially microcrustacea and midge larvae (Ref. 10294).
棲息於小溪及小型到中型河川的砂質或岩質底水潭與急流。 也發現於圈圍水域。 (參考文獻 5723,10294) 成魚吃小型底棲的無脊椎動物, 尤其 microcrustacea 與蚊仔魚.(參考文獻 10294)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
北美洲: 五大湖下游與密西西比河流域從加拿大安大略省與從紐約到明尼蘇達州東南方而且南至阿拉巴馬州北部與俄克拉荷馬州東部; 在美國的喬治亞州，阿拉巴馬州與田納西州東南方的上游與中游的摩比灣流域。
Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-1)
無危 (LC) ; Date assessed: 01 March 2012
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Estimates based on models
Phylogenetic diversity index (參考文獻
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01047 (0.00760 - 0.01443), b=3.00 (2.93 - 3.07), in cm total length, based on LWR estimates for this species (Ref.
93245).
營養階層 (參考文獻
69278): 3.0 ±0.41 se; based on food items.
Generation time: 2.8 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
回復力 (參考文獻
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (tmax=10).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (32 of 100).
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