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Teleostei >
Cypriniformes (Carps) >
Leuciscidae (Minnows) > Pogonichthyinae
Etymology: Opsopoeodus: Greek, ops, = face, appearance + Greek, pous = foot + Greek, odous = teeth; emiliae: opsopoeodus, teeth for dainty feeding (Greek); and emiliae, named after Mrs. Emily Hay (wife of the author of the species, Dr. O. P. Hay) (Ref. 10294).
Eponymy: Mrs Mary Emily ‘Mollie’ Hay née Howsman (1849–1931) was the author’s wife. [...] (Ref. 128868), visit book page.
環境： 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
; 淡水 居於水底的. 亞熱帶的; 45°N - 27°N
North America: Edisto River drainage in South Carolina to southern Florida and across Gulf Slope to Nueces River drainage in Texas, USA; north in Mississippi River and Great Lakes basins to southeastern Kansas, southeastern Minnesota, USA, and southern Ontario, Canada. The subspecies were previously recognized: Opsopoeodus emiliae peninsularis in peninsular Florida and Opsopoeodus emiliae emiliae in rest of range except where intergrades occur (southern Georgia and northeastern Florida west to Ochlockonee River).
北美洲: 南卡羅萊那州的愛迪斯多河流域到美國佛羅里達南部與越過 Slope 灣到德州的 Nueces 河流域; 在密西西比河與五大湖流域到堪薩斯州東南方，美國明尼蘇達州東南部與加拿大安大略省南部的北方。 亞種 埃米美洲鱥〔Notropis emiliae〕 emiliae 從加拿大流域據說不同於佛羅里達半島的那個魚種。 (參考文獻 11980)
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 6.6 cm TL 雄魚/尚未辨別雌雄; (Ref. 10294)
Adults inhabit clear to turbid vegetated lakes, swamps, oxbows, sluggish streams of all sizes (Ref. 86798). They feed on insect larvae, filamentous algae and microcrustacea (Ref. 10294). Spawning occurs underneath flat rocks, in cavities; nest spawner (Ref. 79012). Migratory behaviour is undetermined (Ref. 126106).
棲息於清澈至混濁的長滿植物的湖泊，沼澤，牛軛彎，各種大小的緩動性溪流 (參考文獻 3814) ，小溪與河。 吃昆蟲幼生，菌絲藻與 microcrustacea 。 (參考文獻 10294)
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
北美洲: 南卡羅萊那州的愛迪斯多河流域到美國佛羅里達南部與越過 Slope 灣到德州的 Nueces 河流域; 在密西西比河與五大湖流域到堪薩斯州東南方，美國明尼蘇達州東南部與加拿大安大略省南部的北方。 亞種 埃米美洲鱥〔Notropis emiliae〕 emiliae 從加拿大流域據說不同於佛羅里達半島的那個魚種。 (參考文獻 11980)
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 2025-2 (Global))
無危 (LC) ; Date assessed: 03 March 2012
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基於模型的估計
系統發育多樣性指數 (參考文獻
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00537 (0.00266 - 0.01086), b=3.10 (2.92 - 3.28), 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): 2.9 ±0.35 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 (Preliminary K or Fecundity.).
釣魚的脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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