Abstract
Specimens of 4 marine fish species 3 from genus Trachinotus, T. carolinus, T. falcatus, T. goodei, and 1 from genus Selene, S. vomer belonging to the family Carangidae (Perciformes) were analyzed. All the specimens analyzed inhabit the South/Southeast coast of Brazil, and were sampled from the locality Sao Sebastiao, SP. The 4 species presented 2n=48 chromosomes, being the chromosome formula for Selene vomer 46A+2ST, T. carolinus 8MSM+40A, T. falcatus 38A+10MSM and T. goodei 4MSM+44A chromosomes. The 4 species presented 1 pair of NORs. Small blocks of heterochromatin were found in these 4 species. The karyotypic characteristics of these species were discussed in comparison with other species and populations of Perciformes already analysed.
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