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); cachiraensis: Named for its type locality, the municipality of Cáchira, Departamento de Norte de Santander, Colombia.
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.
South America: Colombia.
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 10.9 cm SL 雄鱼/尚未辨别雌雄; (Ref. 83636)
简单描述
检索表 | 型态特徵 | 形态测量图
This species differs from its congeners by the following characters: anterior fontanel variably absent; posterior fontanel reduced to a small circular foramen and entirely located on the parieto-supraoccipital (Ref. 83636).
The rivers where the species was captured is of crystalline waters, with huge stones and sandy bottom. Temperature at the time of the collection is 17ºC. This species is associated with Astroblepus sp. One individual has 138 mature ova. Stomach contents include small shrimps and larvae of macroinvertebrates. The forest comprise of plants like the eucalyptus (Eucalyptus globulus), willow (Salix humboldtiana), Rubus floribundus and pine (Cupressus lusitanica) (Ref. 83636).
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Ardila Rodríguez, C.A., 2008. Trichomycterus cachiraensis (Siluriformes: Trichomycteridae), nueva especie del Río Cachira, cuencia del Río Magdalena, Colombia. Dahlia (Rev. Asoc. Colomb. Ictiól.) 10:33-41. (Ref. 83636)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
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特别资料
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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=0.00912 (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). 🛈 |