分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
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; pH range: 7.0 - ?. 亞熱帶的; 10°C - 30°C (Ref. 89798)
分布
领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
South America: Lower tributaries of the río Uruguay (río Cuareim, río Salto, and río Negro basins), and río de La Plata (río Santa Lucía and arroyo Pand) in Uruguay. Not recorded from the Uruguay River basin in Brazil after extensive sampling for the last 20 years.
南美洲: 烏拉圭河流域。
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 5.1 cm SL 雄鱼/尚未辨别雌雄; (Ref. 116916)
简单描述
检索表 | 型态特徵 | 形态测量图
背的软条 (总数) : 10 - 12; 脊椎骨: 33 - 34. Can be diagnosed by the following apomorphies: foramen in posterior region of metapterygoid forms an incomplete arch, bordered posteriorly by the hyomandibula; pectoral-fin rays bearing hooks; posterior margin of second infraorbital posteroventrally oblique and second infraorbital ventrally bordering anterior region of third infraorbital; fourth infraorbital more developed longitudinally than dorsoventrally; ascending process of premaxilla reaching just anterior end of nasal; and lateral line interrupted. Further distinguished from several characids by having 6-11 maxillary teeth and longitudinal, wavy stripes laterally on body in larger specimens (Ref. 89798).
Body shape (shape guide): short and / or deep.
Occurs in streams and semi-lentic and lotic shallow areas (up to 1.2 m deep) with moderate submerged vegetation and riparian vegetation composed by trees and shrubs. Streams are characterized by transparent water and bottom with mud, some stretches with sand or gravel (Ref. 89798).
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南美洲: 烏拉圭河流域。
Malabarba, L.R., V.A. Bertaco, F.R. Carvalho and T.O. Litz, 2012. Revalidation of the genus Ectrepopterus Fowler (Teleostei: Characiformes), with the redescription of its type species, E. uruguayensis. Zootaxa 3204:47-60. (Ref. 89798)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
临近濒危 (NT) (B2b(iii)); Date assessed: 19 February 2021
人类利用
渔业: 没有兴趣
工具
特别资料
下载 XML
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 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01549 (0.00838 - 0.02861), b=3.07 (2.90 - 3.24), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
营养阶层 (参考文献 69278) |
3.1 ±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 vulnerability (11 of 100). 🛈 |