Astyanax hastatus Myers, 1928 (Teleostei, Characidae): a new species complex within the genus Astyanax?

Four populations of Astyanax hastatus Myers 1928 from the Guapimirim River basin (Rio de Janeiro State) were analyzed and three distinct cytotypes identified. These cytotypes presented 2n = 50 chromosomes, with 4M+8SM+10ST+28A (Cytotype A), 8M+10SM+14ST+18A (Cytotype B), 6M+8SM+4ST+32A (Cytotype C)...

Full description

Bibliographic Details
Main Authors: Karine Frehner Kavalco, Karina de Oliveira Brandão, Rubens Pazza, Lurdes Foresti de Almeida-Toledo
Format: Article
Language:English
Published: Sociedade Brasileira de Genética 2009-01-01
Series:Genetics and Molecular Biology
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572009000300009