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); placitus: From the word placitus, meaning broad surface (referring to the relatively broad head) (Ref. 10294).
More on author: Girard.
Environment: milieu / climate zone / 深度上下限 / distribution range
生態學
; 淡水; 半鹹淡水 居於水底的. 溫帶; 47°N - 32°N
North America: Missouri, Arkansas, Red, Brazos, and Colorado River drainages from Montana and North Dakota south to New Mexico and Texas, USA; Mississippi River from mouth of Missouri River to Tennessee, USA. Introduced in Pecos River in New Mexico, USA (Ref. 86798). First record from Canada dates back to 2003 (Ref. 125894).
北美洲: 密蘇里，阿肯色州，紅色，布拉索斯與科羅拉多河流域從蒙大納與達科塔北方部南至新墨西哥州與美國德州; 從密蘇里河口到俄亥俄河口的密西西比河。
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 13.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 86798); common length : 7.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 12193)
Occurs usually in shallow sandy runs and pools of creeks and small to large rivers (Ref. 86798). Oviparous, probably open substratum spawners like congeners (Ref. 205).
豐富的在小溪與小型到大型河川的水淺沙地小支流與水潭中.(參考文獻 205,10294) 卵生的 (參考文獻 205), 可能開放的像同類的下層土壤產卵魚.(參考文獻 5723)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
The pelagic-broadcast spawning behavior consisted of males pursuing a single female and nudging her abdominal region. When the female was ready to spawn, a single male wrapped around the female at which time eggs and milt were simultaneously expelled. Reproduction usually consisted of several individual spawning episodes with at least 10-min intervals between events (Ref. 35784).北美洲: 密蘇里，阿肯色州，紅色，布拉索斯與科羅拉多河流域從蒙大納與達科塔北方部南至新墨西哥州與美國德州; 從密蘇里河口到俄亥俄河口的密西西比河。
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 2025-1)
無危 (LC) ; Date assessed: 17 February 2012
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Estimates based on models
Phylogenetic diversity index (參考文獻
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00871 (0.00395 - 0.01919), b=3.06 (2.88 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
回復力 (參考文獻
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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