分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cypriniformes (Carps) >
Leuciscidae (Minnows) > Pogonichthyinae
Etymology: Hybognathus: Greek, ybos, -e, -on = curved + Greek, gnathos = jaw; with bulging jaw (Ref. 45335).
More on author: Girard.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 溫帶; 46°N - 32°N
North America: Atlantic Slope from St. Lawrence River drainage in Quebec, Canada to Altamaha River drainage in Georgia, USA; Lake Ontario drainage in Ontario, Canada and New York, USA.
北美洲: 在加拿大魁北克到喬治亞州的奧塔瑪哈河流域的來自聖勞倫斯河流域的大西洋斜坡, 美國; 在加拿大安大略省與美國紐約的安大略湖流域。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 8.7  range ? - ? cm
Max length : 15.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 27549); common length : 8.8 cm TL 雄魚/尚未辨別雌雄; (Ref. 12193)
Occurs in pools and backwaters of low-gradient creeks and small to large rivers (Ref. 86798). Oviparous, open substratum spawners (Ref. 205, 52559). Feeds on plant material, benthic diatoms, algae and detritus (Ref. 93252).
成魚出現在坡度緩之小溪與小型到大型河川的深潭與滯水區。 卵生的, 開放的下層土壤產卵魚.(參考文獻 205,52559)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
北美洲: 在加拿大魁北克到喬治亞州的奧塔瑪哈河流域的來自聖勞倫斯河流域的大西洋斜坡, 美國; 在加拿大安大略省與美國紐約的安大略湖流域。
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)
無危 (LC) ; Date assessed: 15 February 2012
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00376 - 0.01926), b=3.06 (2.86 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.0 ±0.00 se; based on food items.
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (tm=2).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).