Fig. 2 in Interspecific chromosomal divergences in the genus Characidium (Teleostei: Characiformes: Crenuchidae)

Fig. 2. Karyotypes of female specimens of Characidium cf. zebra and Characidium oiticicai from Salesópolis, SP, after conventional Giemsa staining (a, c) and C-banding (b, d), respectively. Note the differential patterns of heterochromatic blocks on the chromosomes and the differentiated sex chromosomes and heterochromatic B-chromosomes in Characidium oiticicai. In the box, the NOR-bearing chromosomes. Scale bar = 10 µm.