分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Perciformes/Percoidei (Perchs)
鱸形目 (Perchs) >
Percidae (Perches)
鱸科 (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).
More on authors: Baird & Girard.
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
; 淡水 底中水層性. 熱帶; 35°N - 27°N
North America: found in Colorado, Guadalupe and Nueces River drainages in Texas, USA; and in Pecos River system in New Mexico, USA.
北美洲: 發現於科羅拉多,哥德洛普島與德州的 Nueces 河流域了; 而且在美國新墨西哥州的佩科斯河系統。
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. 5723); common length : 3.2 cm TL 雄魚/尚未辨別雌雄; (Ref. 12193)
Adults occur in gravel and rubble riffles, especially spring-fed and vegetated riffles, of headwaters, creeks and small rivers (Ref. 5723). Eggs are found attached to the substrate unguarded (Ref. 7043).
出現於礫石與碎石急流,尤其泉水注入之而長滿植物的急流, 河川源頭,小溪與小河。
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Eggs are found attached to the substrate unguarded (Ref. 7043).北美洲: 發現於科羅拉多,哥德洛普島與德州的 Nueces 河流域了; 而且在美國新墨西哥州的佩科斯河系統。
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)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
近危 (NT) ; Date assessed: 20 December 2011
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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) |
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). |
營養階層 (參考文獻 69278) |
3.3 ±0.5 se; based on size and trophs of closest relatives |
回復力 (參考文獻 120179) |
中等的, 族群倍增時間最少 1.4 - 4.4年 (Fec=15-200). |
釣魚的脆弱性 (Ref. 59153) |
Low vulnerability (15 of 100). 🛈 |