Klassifizierung / Names
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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.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
; süßwasser benthopelagisch. Tropical
South America: Colombia.
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 10.9 cm SL Männchen/unbestimmt; (Ref. 83636)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
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).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
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 Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Phylogenetischer Diversitätsindex (Ref. 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). |
Trophische Ebene (Ref. 69278) |
3.2 ±0.4 se; based on size and trophs of closest relatives |
Anfälligkeit der Fischerei (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |