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Teleostei >
Perciformes/Percoidei (Perchs) >
Percidae (Perches) > Etheostomatinae
Etymology: Etheostoma: Greek, etheo = to strain + Greek, stoma = mouth; Rafinesque said "various mouths", but Jordan and Evermann suggest the name might have been intended as "Heterostoma (Ref. 45335); swaini: Named after an active ichthyologist in the late 1800s, J. S. Swain (Ref. 10294).
Eponymy: Joseph Swain (1857–1927) was Professor of Mathematics and Biology at Indiana University (1883–1891) and a student of the author, David Starr Jordan, whom he followed (1891) to Stanford University and taught there as a professor of mathematics. (Ref. 128868), visit book page.
More on author: Jordan.
环境:氛围 / 气候带 / 深度上下限 / 分布范围
生态学
; 淡水 底中水层性. 亞熱帶的; 36°N - 29°N
North America: Gulf drainages from Ochlockonee River in Georgia and Florida to Mississippi River in Louisiana, and north on Former Mississippi Embayment (east of Mississippi River only) to Kentucky in the USA; in Bear Creek in northwestern Alabama and northeastern Mississippi, USA.
北美洲: 在喬治亞州與佛羅里達至路易斯安那州的密西西比河的來自 Ochlockonee 河的海灣流域, 與在從前的密西西比灣 (只有密西西比河以東) 上的向北對在美國中的肯塔基州; 在阿拉巴馬州西北部與密西西比州東北部中的貝爾溪。
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 7.8 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5723); common length : 5.3 cm TL 雄鱼/尚未辨别雌雄; (Ref. 12193)
Occurs in shallow rocky riffles, current-swept vegetation in headwaters, creeks and small to medium rivers (Ref. 5723); also found in streams (Ref. 10294). Feeds on midge larvae, with isopods and immature blackflies, mayflies, hydroptilid and hydropsychid caddisflies, and dragonflies (Ref. 10294).
出现于水浅的岩石急流, 在河川源头,小溪及小型到中型河川中的水流冲刷的植物。
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
北美洲: 在喬治亞州與佛羅里達至路易斯安那州的密西西比河的來自 Ochlockonee 河的海灣流域, 與在從前的密西西比灣 (只有密西西比河以東) 上的向北對在美國中的肯塔基州; 在阿拉巴馬州西北部與密西西比州東北部中的貝爾溪。
Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
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特别资料
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网络资源
基于模型的估算
系统发育多样性指数 (参考文献 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00676 (0.00306 - 0.01496), b=3.12 (2.94 - 3.30), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
营养阶层 (参考文献 69278) |
3.3 ±0.5 se; based on size and trophs of closest relatives |
回复力 (参考文献 120179) |
高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.). |
渔业脆弱性 (Ref. 59153) |
Low vulnerability (17 of 100). 🛈 |