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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.
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
; sötvatten bentopelagisk. Tropical
South America: Upper Rio Negro basin.
Size / Vikt / Age
Könsmognad: Lm ? range ? - ? cm
Max length : 1.7 cm SL hane/ej könsbestämd; (Ref. 50894)
Mjukstrålar i ryggfenan (totalt) : 5 - 6; Mjukstrålar i analfenan: 7 - 8; Ryggkotor: 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).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
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)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Fiskeri: saknar intresse
Verktyg
Special reports
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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=0.00537 (0.00207 - 0.01392), b=3.09 (2.87 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 2.5 ±0.19 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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