Studies in two allopatric populations of Hypostomus affinis (Steindachner, 1877): the role of mapping the ribosomal genes to understand the chromosome evolution of the group Karina de Oliveira Brandão, Dinaíza Abadia Rocha-Reis, Caroline Garcia, Rubens Pazza, Lurdes Foresti deAlmeida-Toledo, Karine Frehner Kavalco Several cytogenetic markers show chromosomal diversity in the fish such as “armoured catfish”. Although studies have characterized many species in the major genera representing these Siluridae, particularly […]

[:pb]Rocha-Reis D.A., de Oliveira Brandão K., de Almeida-Toledo L.F., Pazza R., Kavalco K.F. The genus Hypostomus has a broad geographic distribution in Brazilian rivers and comprises armored catfishes with a very complicated taxonomy due to the absence of morphological autapomorphies. The existence of nearly 10 allopatric populations with different karyotypes suggests that Hypostomusancistroides represents a species complex in the […]