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: Lythrurus: Greek, lythron = blood + Greek, oura = tail; the red breeding colours in most members of this genus (Ref. 45335); umbratilis: From the word umbra, meaning shade (Ref. 10294).
More on author: Girard.
Environment: milieu / climate zone / 深度上下限 / distribution range
生態學
; 淡水 底中水層性. 溫帶; 44°N - 31°N
North America: Great Lakes and Mississippi River basins in western New York, USA and southern Ontario, Canada to southeastern Minnesota and south to Louisiana, USA; Gulf drainages west of Mississippi River to Trinity and San Jacinto rivers in Texas, USA.
北美洲: 在美國紐約州西部與加拿大安大略省南部到明尼蘇達州東南方中的五大湖與密西西比河流域而且南至美國路易斯安那州; 密西西比河西方的海灣流域到德州的聖哈新托河，美國。
Length at first maturity / 大小 / 重量 / 年齡
成熟度: Lm 3.0 range ? - ? cm
Max length : 8.8 cm TL 雄魚/尚未辨別雌雄; (Ref. 10294); common length : 5.4 cm TL 雄魚/尚未辨別雌雄; (Ref. 12193); 最大年齡: 3.00 年 (Ref. 12193)
Occurs in quiet to flowing pools (often turbid) of headwaters, creeks, and small to medium rivers (Ref. 86798). Also inhabits small, warm and low gradient streams. Oviparous, open substratum spawners (Ref. 205, 52559).
成魚出現在河川源頭，小溪與小型到中型的河平靜或流動水池 (時常混濁的);(參考文獻 205) 也居住於小的﹐溫暖的與坡度低的溪流。 卵生的, 開放的下層土壤產卵魚.(參考文獻 205,52559)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
北美洲: 在美國紐約州西部與加拿大安大略省南部到明尼蘇達州東南方中的五大湖與密西西比河流域而且南至美國路易斯安那州; 密西西比河西方的海灣流域到德州的聖哈新托河，美國。
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 2024-2)
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 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00501 (0.00242 - 0.01036), b=3.11 (2.92 - 3.30), 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): 3.0 ±0.43 se; based on food items.
回復力 (參考文獻
120179): 高度, 族群倍增時間少於 15個月 (tm=1; tmax=3).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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