Note on the karyotype and NOR location of Siamese fighting fish Betta splendens (Perciformes, Osphronemidae)
2008; University of Florence; Volume: 61; Issue: 4 Linguagem: Inglês
10.1080/00087114.2008.10589646
ISSN2165-5391
AutoresGrażyna Furgała-Selezniow, Dorota Fopp‐Bayat, Małgorzata Jankun, Sławomir Krejszeff, Andrzej Mamcarz,
Tópico(s)Animal Genetics and Reproduction
ResumoAbstract Chromosomes of Siamese fighting fish Betta splendens were examined by Giemsa, CMA3 and Ag-NOR. The karyotype consisted of 6 pairs of submetacentric, 7 pairs of subtelocentric and 8 pairs of acrocentric chromosomes (2n=42, NF=54). NORs were observed at two submetacentric pairs, nos. 1 and 6, at telomeric regions of the short arms. The Betta's karyotype seems to have a derived status when compared to most species of the order Perciformes.
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