Fluviphylax palikur


Species:	Fluviphylax palikur
Description:	Costa & Le Bail, 1999
Etymology:
References:	Costa, W.J.E.M. & Le Bail, P.Y. (1999) Fluviphylax palikur: A new poeciliid from rio Oiapoque basin, Northern Brazil (Cyprinodontiformes: Cyprinodontoidei), with comments on the miniaturization in Fluviphylax and other neotropical freshwater fishes. Copeia, 1999 (4) : 1027-1034

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Abstract:	Fluviphylax palikur,new species, is described from the rio Taparabu, rio Oiapoque basin, northern Brazil. It differs from all other species of the genus by the possession of numerous anal fin rays and vertebrate and by the shape of the fourth and fifth ceratobranchials and second pharyngobrachial. Five synapomorphies shared by all species of Fluviphylax except F. palikur, in addition to characters supporting Fluviphylax monophyly, support a hypothesis of a sister-group relationship between the new species and a clade consisting of the remaining species of the genus. Miniaturization in Fluviphylax is hypothesized to correspond to a single event, with reductive conditions origination at the base of the Fluviphylax clade and in different intragenetic lineages. A list of Neotropical miniature freshwater fish described in the last 10 years is presented.
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Distribution:	N. Brazil, South America.
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Characteristics:	Extremely large eyes like all members of this genus. Flat back, dorsal fin set well back behind the anal fin, mouth pointing upwards typical of surface dwelling fish.
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Contributors:
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