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Siluriformes (Catfishes) >
Trichomycteridae (Pencil or parasitic catfishes) > Trichomycterinae
Etymology: Scleronema: Greek, skleros = hard + Greek,nema = filament (Ref. 45335); milonga: The name ‘milonga’ refers to the musical rhythm popularized in Argentina and Rio Grande do Sul State (Brazil); noun in apposition.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
; agua dulce demersal. Tropical
South America: Argentina and Brazil.
Tamaño / Peso / Edad
Madurez: Lm ? range ? - ? cm
Max length : 3.9 cm SL macho / no sexado; (Ref. 122319)
Descripción breve
Claves de identificación | Morfología | Morfometría
Radios blandos dorsales (total) : 9 - 10; Radios blandos anales: 6 - 7; Vértebra: 34 - 35. This species is distinguished from all its congeners, except ibirapuita and teiniagua by the absence of the pore s3 of the supraorbital line of the laterosensory system (vs. with pore s3) and it differs from these species by the presence of the pore s6 of the supraorbital line of the laterosensory system (vs. pore 6 absent); differs from S. mate and S. guapa by having the rounded brown blotches at the midlateral line larger than opercle (vs. blotches as large as or smaller than opercle and absent, respectivelu) (Ref. 122319).
Cross section: oval.
Occurs in rivers and streams with sand- and gravel-bottoms and has not been collected syntopically with its congeners. Individuals larger than 3.1 cm SL are reported to be capable of spawning and are considered adults. Reported diet composed mainly of immature, autochthonous and benthic insects (Ephemeroptera, Chironomidae, and Trichoptera), in both adults and juveniles (Ref. 122319).
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Ferrer, J. and L.R. Malabarba, 2020. Systematic revision of the Neotropical catfish genus Scleronema (Siluriformes: Trichomycteridae), with descriptions of six new species from Pampa grasslands. Neotrop. Ichthyol. 18(2):1-81. (Ref. 122319)
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): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00759 (0.00337 - 0.01709), 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): 3.1 ±0.4 se; based on size and trophs of closest relatives
Vulnerabilidad pesquera (Ref.
59153): Low vulnerability (10 of 100).
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