分类 / Names
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Teleostei >
Cypriniformes (Carps) >
Leuciscidae (Minnows) > Leuciscinae
Etymology: Notemigonus: Greek, noton = back + Greek, gonia = angled (Ref. 45335); crysoleucas: notemigonus, angled back; cryso, meaning gold; and leucas, white (Ref. 10294).
More on author: Mitchill.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水; 半咸淡水 居于水底的; 深度上下限 10 - ? m. 溫帶; 0°C - 35°C (Ref. 35682); 52°N - 25°N
North America: Atlantic and Gulf Slope drainages from Nova Scotia in Canada to southern Texas, USA; Great Lakes, Hudson Bay (Red River), and Mississippi River basins west to Saskatchewan in Canada, and Montana, west Oklahoma and Texas in USA.
北美洲: 大西洋斜坡與海灣斜坡流域從加拿大新斯科舍省到美國德州南部; 五大湖, 哈得遜灣 (紅河) 與密西西比河流域西至加拿大亞伯達省,美國蒙大納,懷俄明州與俄克拉荷馬州西部。
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 6.4  range ? - ? cm
Max length : 32.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 86798); common length : 14.4 cm TL 雄鱼/尚未辨别雌雄; (Ref. 12193); 最大年龄: 9 年 (Ref. 72462)
背的软条 (总数): 7-9; 臀鳍软条: 8 - 19. Body extremely compressed; lateral line strongly decurved; scaleless keel along belly from pelvic to anal fin; dorsal- fin origin behind pelvic-fin origin; mouth small, upturned on pointed snout; appears silver in clear and turbid water, and gold side and fins in coffee-colored water; fins red in southern hemisphere; dusky stripe along side, herringbone lines on upper side of young. Scales on lateral line 44-54; dorsal fin with 7-9 rays; anal fin with 8-19 rays, usually 11-14; rakers on 1st gill arch 17-19; and pharyngeal teeth 0,5-5,0 (Ref. 86798).
Inhabits vegetated lakes, ponds, swamps, backwaters and pools of creeks and small to medium rivers (Ref. 86798). Can tolerate low oxygen levels, high turbidity and high temperature; omnivorous but principally feed on plankton, insects and mollusks (Ref. 27549).
栖息于小溪及小型到中型河川的长满植物的湖泊,池塘,沼泽,洄水区与水池。
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
北美洲: 大西洋斜坡與海灣斜坡流域從加拿大新斯科舍省到美國德州南部; 五大湖, 哈得遜灣 (紅河) 與密西西比河流域西至加拿大亞伯達省,美國蒙大納,懷俄明州與俄克拉荷馬州西部。
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)
人类利用
渔业: 低经济; 养殖: 商业性; 水族馆: 公众的水族馆; 诱饵: usually
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00681 - 0.01537), b=3.07 (2.95 - 3.19), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
营养阶层 (Ref.
69278): 2.7 ±0.1 se; based on diet studies.
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (tm=2; tmax=5; Fec=200,000).
Fishing Vulnerability (Ref.
59153): Low vulnerability (22 of 100).