Classification / 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..
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce benthopélagique. Tropical
South America: Colombia.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 10.9 cm SL mâle / non sexé; (Ref. 83636)
Description synthétique
Morphologie | Morphométrie
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).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Plus d'informations
Noms communsSynonymesMétabolismePrédateursÉcotoxicologieReproductionMaturitéFraiRassemblement de ponteFéconditéŒufsDéveloppement de l'œuf
Taille/ÂgeCroissanceLongueur-poidsLongueur-longueurFréquences de longueursMorphométrieMorphologieLarvesDynamique des populations larvairesRecrutementAbondanceBRUVS
RéférencesAquacultureProfil d'aquacultureSouchesGénétiqueElectrophoresesHéritabilitéPathologiesTraitementNutrientsMass conversion
CollaborateursImagesStamps, Coins Misc.SonsCiguateraVitesseType de nageSurface branchialeOtolithesCerveauxVision
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00319 - 0.02993), b=3.02 (2.77 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).