分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes) >
Trichomycteridae (Pencil or parasitic catfishes) > Trichomycterinae
Etymology: Trichomycterus: Greek, thrix = hair + Greek, mykter, -eros = nose (Ref. 45335); donascimientoi: 'donascimientoi', i.e., named in honor of Carlos DoNascimiento (Ref. 119397).
Eponymy: Dr Carlos Luis DoNascimiento Montoya (d: 1973) is a Venezuelan ichthyologist. [...] (Ref. 128868), visit book page.
环境:氛围 / 气候带 / 深度上下限 / 分布范围
生态学
; 淡水 居于水底的.
分布
领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
South America: Colombia.
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 8.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 119397)
简单描述
检索表 | 型态特徵 | 形态测量图
It is distinguished by having 33-34 free vertebrae, minimal coloration, reduction or absence of cornea, long nasal and maxillary barbels, nine branching pectoral-fin rays, where the first ray is prolonged as a long filament (to about 80% of pectoral-fin length), a rounded caudal fin, the upper part longer than the lower part and a coloration of light-red to pale rose.
This endemic species is exclusive to hipogean environments of the de Gedania cave, near Gran Curi River, Magdalena River system, Colombia. The largest specimen observed was 7.99 cm, standard length (Ref. 119397).
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Castellanos-Morales, C.A., 2018. A new species of cave catfish, genus Trichomycterus (Siluriformes: Trichomycteridae), from the Magdalena River system, Cordillera Oriental, Colombia. Biota Colombiana 19(Sup. 1):117-226. (Ref. 119397)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
易受伤害 (VU) (D1); Date assessed: 25 August 2020
人类利用
渔业: 没有兴趣
工具
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=0.00912 (0.00394 - 0.02111), b=2.97 (2.79 - 3.15), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
营养阶层 (参考文献 69278) |
3.2 ±0.4 se; based on size and trophs of closest relatives |
渔业脆弱性 (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |