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Characiformes (Characins) >
Stevardiidae (Stevardiids) > Diapominae
Etymology: Diapoma: Greek, dis, dia = through + Greek, poma = cover (Ref. 45335); pyrrhopteryx: The specific name is from the Greek words 'pyrrho' (red) and 'pteryx' (fin) in reference to the red fin colors of the fish when alive.
More on authors: Menezes & Weitzman.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
; agua dulce bentopelágico. Subtropical
South America: Rio Canoas basin or tributaries flowing into this basin that belongs to the rio Uruguay basin in Brazil.
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 5.6 cm SL macho / no sexado; (Ref. 86734)
Descripción breve
Claves de identificación | Morfología | Morfometría
Radios blandos dorsales (total) : 10. Very similar to Diapoma speculiferum, both species sharing the posterior elongation of opercle and subopercle. Differs from this species in having red fins in live males (vs. pale to yellowish fins in live males), longer snout, 21.3-24.5% of head length (vs. 17-21.4% in head length), and pentacuspid maxillary teeth (vs. tricuspid) (Ref. 86734).
Body shape (shape guide): short and / or deep.
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Menezes, N.A. and S.H. Weitzman, 2011. A systematic review of Diapoma (Teleostei: Characiformes: Characidae: Stevardiinae: Diapomini) with descriptions of two new species from southern Brazil. Papéis Avulsos de Zoologia 51(5):59-82. (Ref. 86734)
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 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01549 (0.00660 - 0.03634), b=3.00 (2.79 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nivel trófico (Referencia
69278): 2.8 ±0.3 se; based on size and trophs of closest relatives
Vulnerabilidad pesquera (Ref.
59153): Low vulnerability (10 of 100).
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