Chrysobrycon eliasi, new species of stevardiine fish (Characiformes: Characidae) from the río madre de dios and upper río manuripe basins, Peru

Translated title of the contribution: Chrysobrycon eliasi, new species of stevardiine fish (Characiformes: Characidae) from the río madre de dios and upper río manuripe basins, Peru: Characidae) from the río madre de dios and upper río manuripe basins, Peru

James Anyelo Vanegas-Ríos, María de las Mercedes Azpelicueta, Hernán Ortega

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

The new species is distinguished from its congeners by the maxillary teeth, which are tricuspidate, bicuspidate and conical, and the terminal lateral-line tube developed between caudal-fin rays 10-11. Other characters that help to recognize C. eliasi are the possession of maxilla with 6-15 (usually 11) teeth occupying more than 70% of the length of the maxilla in adults, predorsal scales 18-22, dorsal-fin to hypural complex length 36.32-41.17% of standard length (SL), gill-gland length in males 3.57-5.05% SL, maxillary length 33.76-38.75% of head length, and branched anal-fin rays 24-30. The discovery of C. eliasi allows us to extend the geographic distribution of the genus to the southeast, into the río Madeira basin.

Translated title of the contributionChrysobrycon eliasi, new species of stevardiine fish (Characiformes: Characidae) from the río madre de dios and upper río manuripe basins, Peru: Characidae) from the río madre de dios and upper río manuripe basins, Peru
Original languageEnglish
Pages (from-to)731-740
Number of pages10
JournalNeotropical Ichthyology
Volume9
Issue number4
DOIs
StatePublished - 26 Dec 2011
Externally publishedYes

Keywords

  • Madeira basin
  • Pouch scale
  • Sexual dimorphism
  • Tambopata
  • Xenurobryconini

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