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俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cypriniformes (Carps) >
Leuciscidae (Minnows) > Pogonichthyinae
Etymology: Notropis: A misnomer given by Rafinesque to shriveled specimens, with the meaning of "back keel"; from Greek, noton = back (Ref. 45335); oxyrhynchus: From the Greek words oxys=sharp and rynchus=snout (Ref. 79012).
More on authors: Hubbs & Bonham.
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; 32°N - 30°N
分布
领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
North America: Brazos River and lower portions of large tributaries in Texas, USA.
北美洲: 在美國德州的布拉索斯河與大支流下游。
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 9.5 cm SL 雄鱼/尚未辨别雌雄; (Ref. 79012); common length : 4.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 12193)
Adults inhabit sand and gravel runs of medium to large rivers but is less often found in sand or mud bottomed pools (Ref. 5723). They feed on aquatic and terrestrial invertebrates (71% of diet) detritus, plant material and sand. Batch spawner (Ref. 79012). Migratory behaviour is undetermined (Ref. 126106).
栖息于沙与碎石中型到大型河川的小支流但是时常更不被发现于底部水池的沙或泥.(参考文献 5723)
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: 在美國德州的布拉索斯河與大支流下游。
Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991. Common and scientific names of fishes from the United States and Canada. Am. Fish. Soc. Spec. Publ. (20):183 p. (Ref. 3814)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
易受伤害 (VU) (B1ab(i,ii,iii,iv,v)+2ab(i,ii,iii,iv,v)); Date assessed: 30 July 2012
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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=0.00525 (0.00256 - 0.01076), b=3.10 (2.92 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
营养阶层 (参考文献 69278) |
3.0 ±0.4 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 to moderate vulnerability (28 of 100). 🛈 |