Abstract
The karyotype of the snow sculpin Myoxocephalus brandti, 2n = 44, NF = 46, from Peter the Great Bay was studied. Two-armed chromosomes were presented by one pair of metacentric chromosomes of medium size; one-armed chromosomes included two pairs of large subtelocentric chromosomes and a pair of large acrocentric chromosomes. Ag-NOR-staining in the telomere vicinity revealed nucleolus-organizing regions in one metacentric chromosome and in one medium size acrocentric chromosome in one of the fishes, in two homological small acrocentric chromosomes in three fishes, and in one acrocentric chromosome of average size in six fishes. No difference between the male and female karyotypes and any type of variability was revealed. The karyotypes of the snow sculpin M. brandti and the frog sculpin M. stelleri were compared. Their distinctions and similarities were displayed.
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Original Russian Text Copyright ¢ 2005 by Biologiya Morya, Ryazanova.
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Ryazanova, I.N. Karyotype of the Snow Sculpin Myoxocephalus brandti Steindachner (Cottidae) from Peter the Great Bay, Sea of Japan. Russ J Mar Biol 31, 238–242 (2005). https://doi.org/10.1007/s11179-005-0079-5
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DOI: https://doi.org/10.1007/s11179-005-0079-5