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Bunocephalus coracoideus karyotypes. On the left, Giemsa staining; on the right. Double-FISH evidencing chromosome pairs bearing the 18S rDNA (red) and 5S rDNA (green) sequences. (A,A′) ESU-A Igarapé Jundiá – Cuieiras River, (B,B′) ESU –B Demini River (Cuieiras River) and (C,C′) ESU-C Igarapé Apeú – Guamá River. Bar = 10 μm.
