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Siluriformes (Catfishes) >
Trichomycteridae (Pencil or parasitic catfishes) > Microcambevinae
Etymology: Listrura: Greek, listroo = to tie + Greek, oura = tail (Ref. 45335); tetraradiata: Named for the number of pectoral fin rays, a diagnostic feature.
More on authors: Landim & Costa.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
; agua dulce bentopelágico. Tropical
South America: Ibicuíba River, Araruama Lagoon system in Brazil.
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 4.4 cm SL macho / no sexado; (Ref. 41513)
Descripción breve
Claves de identificación | Morfología | Morfometría
Vértebra: 47 - 49. Pectoral fin rays 4 and segmented; first ray unbranched, its tip elongate forming a filament; rays 2-4 branched with distal tip free from the membrane. Dorsal and anal fins all branched. Dorsal procurrent caudal fin rays 21-28; ventral procurrent 21-24. Mouth subterminal; lips and barbels covered by papillae. Premaxillary teeth 27-32; dentary teeth 24-31 (Ref. 41513).
Body shape (shape guide): elongated; Cross section: oval.
Specimens collected from a small, clear water forest stream, shallow (ca. 40 cm deep), with large rocks on banks, gravel and sand on the bottom. Stomach contents include copepods and insect larvae and mites (Ref. 41513).
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Landim, M.I. and W.J.E.M. Costa, 2002. Listrura tetraradiata (Siluriformes: Trichomycteridae): a new glanapterygine catfish from the southeastern Brazilian coastal plains. Copeia 2002(1):152-156. (Ref. 41513)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Pesquerías: sin interés
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Nivel trófico (Referencia
69278): 3.1 ±0.30 se; based on food items.
Vulnerabilidad pesquera (Ref.
59153): Low vulnerability (10 of 100).
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