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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).
More on authors: Baird & Girard.
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. 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 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 6.6 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5723); common length : 3.2 cm TL 雄鱼/尚未辨别雌雄; (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).
出现于砾石与碎石急流,尤其泉水注入之而长满植物的急流, 河川源头,小溪与小河。
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
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)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
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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) |
中等的, 族群倍增时间最少 1.4 - 4.4年 (Fec=15-200). |
渔业脆弱性 (Ref. 59153) |
Low vulnerability (15 of 100). 🛈 |