分類 / 名前
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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.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
; 新鮮な水 底生の漂泳性. Tropical
South America: Colombia.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 10.9 cm SL オス/雌雄の選別がない; (Ref. 83636)
簡単な記述
検索表 | 形態学 | 形態計測学
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).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
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)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
用具
特記事項
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インターネットの情報源
モデルに基づく推定値
系統多様性指数 (参照 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). |
栄養段階 (参照 69278) |
3.2 ±0.4 se; based on size and trophs of closest relatives |
漁業の脆弱性 (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |