Title

A new Jenynsia species (Teleostei, Cyprinodontiformes, Anablepidae) from southern Brazil and its phylogenetic position

Document Type

Article

Publication Date

12-20-2006

Abstract

A new species of the genus Jenynsia from southern Brazil is described. The analyses of character states, primarily osteological, support the new species as belonging to the subgenus Plesiojenynsia. A new hypothesis of phylogenetic relationships for the genus, including the new taxon, is presented. The new species, from the Rio Iguaçu drainage in the Brazilian state of Paraná, is diagnosed by the following combination of characters: absence of mandibular canal pore W, long epiotic processes in adults, ten anal-fin rays, discontinuous midlateral and dorsolateral stripes formed by series of blotches on body, midlateral stripe discontinuous anterior to dorsal-fin origin, large third hypobranchial, and presence of teeth on fourth ceratobranchial of adults. © 2006 by the American Society of Ichthyologists and Herpetologists.

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