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Siluriformes (Catfishes) >
Trichomycteridae (Pencil or parasitic catfishes) > Trichomycterinae
Eponymy: Dr Silvina Adela Menu-Marque is an Argentinean zoologist at the Department of Biological Sciences, University of Buenos Aires, where her doctorate was awarded (2002). [...] (Ref. 128868), visit book page.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
; agua dulce demersal. Subtropical
South America: Leoncito National Park in the Andes of Argentina.
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 5.8 cm SL macho / no sexado; (Ref. 95056)
Descripción breve
Claves de identificación | Morfología | Morfometría
Distinguished from the other two known congeners by the following characters: coloration pattern consisting of a dark marmorated head and body that fades to a paler color ventrally; pelvic fin and girdle absent; seven to nine opercular odontodes, 18-28 interopercular odontodes; caudal-fin length 19.9-24.0 % SL; length of dorsal fin base 10.1-13.1 % SL, and head width 13.3-15.9 % SL (Ref. 88804).
Body shape (shape guide): elongated.
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Fernández, L., Dominino J, F. Brancolini and C. Baigún, 2011. A new catfish species of the genus Silvinichthys (Teleostei: Trichomycteridae) from Leoncito National Park, Argentina. Ichthyol. Explor. Freshwat. 22(3):227-232. (Ref. 88804)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia 82804) |
PD50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00759 (0.00332 - 0.01733), b=3.00 (2.81 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Nivel trófico (Referencia 69278) |
3.2 ±0.4 se; based on size and trophs of closest relatives |
Vulnerabilidad pesquera (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |