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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.
Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة القاع. Subtropical
South America: Leoncito National Park in the Andes of Argentina.
الحجم / وزن / العمر
Maturity: Lm ?  range ? - ? cm
Max length : 5.8 cm SL ذكر/ مختلط الجنس; (Ref. 95056)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
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).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
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)
IUCN Red List Status (Ref. 130435: Version 2024-1)
استخدامات بشرية
أدوات
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00661 (0.00279 - 0.01564), b=2.99 (2.79 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).