Karyotypes of two Antarctic fishes,Notothenia gibberifrons andNotothenia coriiceps neglecta |
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| Authors: | Ngan Phan Van Vicente Gomes Hana Suzuki Maria José de Arruda Campos Rocha Passos |
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| Affiliation: | 1. Department of Biological Oceeanography, Institute of Oceanography, University of S?o Paulo, Cidade Universitária, Butant?, CEP 05508, S?o Paulo, Brasil
2. C1RM-IOUSP Program, Brasil
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| Abstract: | The chromosomes of two species of Antarctic fishes,Notothenia (Gobionotothen) gibberifrons andNotothenia (Notothenia) coriiceps neglecta, were prepared by the air-drying method at the Polish Antarctic Station “Henryk Arctowski” during the austral summer 1984–1985. ForN. (G.) gibberifrons the diploid number is2n = 46 consisting of 2 metacentric (m) pairs, 1 submetacentric (sm) pair and 20 telocentric (t) or subtelocentric (st) pairs. ForN. (N.) coriiceps neglecta the diploid number is 2n = 22 consisting of 9 m pairs, 1 sm pair and 1st pair. Some aspects of karyological evolution of these fishes are discussed. |
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