1. Born, G. G., and Bertollo, L. A. C. 2000. An XX/XY sex chromosome system in a fish species, Hoplias malabaricus, with a polymorphic NOR-bearing X chromosome. Chromosome Res. 8: 111–118.
2. Brinn, M. N. A., Porto, J. I. R., and Feldberg, E. 2004. Karyological evidence for interspecific hybridization between Cichla monoculus and C. temensis (Perciformes, Cichlidae) in the Amazon. Heredites 141: 252–257.
3. Cao, F. J., Li, C. L., and Liu, C. W. 2002. Studies on the karyotypes of Lutjanus erythopterus, Lutjanus argentimaculatus and Lutjanus bohar. Mar. Sci. 26: 43–46.
4. Capistano, T. G., Portela Castro, A. L. B., and Julio-Junior, H. F. 2008. Chromosome divergence and NOR polymorphism in Bryconamericus aff. iheringii (Teleostei, Characidae) in the hydrographic systems of the Paranapanema and lvaì river, Paranà, Brazil. Genet. Mol. Biol. 31: 203–207.
5. Castro, J., Viñas, A., Sánchez, L., and Martínez, P. 1996. Characterization of an atypical NOR site polymorphism in brown trout (Salmo trutta) with Ag- and CMA3-staining, and fluorescent in situ hybridization. Cytogenet. Cell Genet. 75: 234–239.