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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Fluviphylacidae (American lampeyes)
Etymology: Fluviphylax: Latin, fluvius = river + Greek,phylax, -akos = guardian (Ref. 45335).
More on author: Costa.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
; agua dulce bentopelágico. Tropical
South America: Upper Rio Negro basin.
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 1.7 cm SL macho / no sexado; (Ref. 50894)
Radios blandos dorsales (total) : 5 - 6; Radios blandos anales: 7 - 8; Vértebra: 27. Absence of an expanded upper tip of the cleithrum, a plesiomorphic condition that distinguishes this species from its congeners; anterior portion of supraorbital, postorbital and upper portion of preopercular canals closed; pelvic fin of males short, tip reaching base of third anal-fin ray; anal fin of males rounded and short, tip reaching a vertical through middle of dorsal-fin base; mesethmoid rounded; anterodorsal process of opercle short; ventral process of posttemporal elongate; branchiostegal rays 5; rostral cartilage present.
Body shape (shape guide): elongated.
Feeds on autochthonous micro-algae and detritus in a swamp (Urubaxi, Brazil) and on allochthonous invertebrates and detritus in an island lake (Buiú-Açu, Brazil).
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Costa, W.J.E.M., 1996. Relationships, monophyly and three new species of the neotropical miniature poeciliid genus Fluviphylax (Cyprinodontiformes: Cyprinodontoidei). Ichthyol. Explor. Freshwat. 7(2):111-130. (Ref. 26652)
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) |
PD50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00525 (0.00203 - 0.01354), b=3.09 (2.87 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Nivel trófico (Referencia 69278) |
2.5 ±0.19 se; based on food items. |
Vulnerabilidad pesquera (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |