Karyotypic and morphological divergence between two cryptic species of Eigenmannia in the Amazon basin with a new occurrence of XX/XY sex chromosomes (Gymnotiformes: Sternopygidae)

Karyotypic and morphological divergence between two cryptic species of Eigenmannia in the Amazon basin with a new occurrence of XX/XY sex chromosomes (Gymnotiformes: Sternopygidae)

Eigenmannia species are widely distributed in the Neotropics, with eight valid species currently recognized. Populations of Eigenmannia from three locations in the eastern Amazon were investigated using cytogenetic and morphological techniques, revealing two taxa designated here as Eigenmannia sp. &...

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Bibliographic Details
Main Authors: Danillo S. Silva, Luiz A. W. Peixoto, Julio C. Pieczarka, Wolmar B. Wosiacki, Jonathan S. Ready, Cleusa Y. Nagamachi
Format: Article
Language:English
Published: Sociedade Brasileira de Ictiologia
Series:Neotropical Ichthyology
Subjects:
Cytogenetics
FISH
Knife fishes
Morphology
Sex chromosomes
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252015000200297&lng=en&tlng=en

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