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DESCRIPTION OF TWO NEW SPECIES OF Crenicichla (TELEOSTEI: CICHLIDAE) FROM THE LOWER IGUAZÚ RIVER WITH A TAXONOMIC REAPPRAISAL OF C. iguassuensis, C. tesay AND C. yaha

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60076658%3A12310%2F15%3A43890357" target="_blank" >RIV/60076658:12310/15:43890357 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    DESCRIPTION OF TWO NEW SPECIES OF Crenicichla (TELEOSTEI: CICHLIDAE) FROM THE LOWER IGUAZÚ RIVER WITH A TAXONOMIC REAPPRAISAL OF C. iguassuensis, C. tesay AND C. yaha

  • Original language description

    Five species of Crenicichla have been recorded so far from the lower Iguazú River. Four of them are endemic (members of the C. mandelburgeri species complex from the C. lacustris group) and living in sympatry; the fifth species (C. lepidota) belongs to an Amazon/Orinoco-centered species group (C. saxatilis) and is only distantly related to the remaining species. The four sympatric species differ substantially in their head/teeth morphology and related utilization of the ecological niches, and representall known ecomorphs within Crenicichla. Two of them, a gregarious small-mouthed picker/grazer C. tapii sp. n. and a large-mouthed thick-lipped cavity explorer/excavator C. tuca sp. n. are described here as new species. The piscivorous large-mouthed species C. iguassuensis represents the ancestral form of the genus. The fourth species is the small-mouthed picker/molluscivore C. tesay with a robust lower pharyngeal jaw with molariform teeth. Populations referred to in previous studies as C

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    EG - Zoology

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GP14-28518P" target="_blank" >GP14-28518P: Parallel evolution in Crenicichla (Cichlidae): Sympatric speciation and repeated analogous diversification in complex riverine landscapes?</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2015

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Historia natural (Buenos Aires)

  • ISSN

    0326-1778

  • e-ISSN

  • Volume of the periodical

    5

  • Issue of the periodical within the volume

    2

  • Country of publishing house

    AR - ARGENTINA

  • Number of pages

    23

  • Pages from-to

    5-27

  • UT code for WoS article

  • EID of the result in the Scopus database