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Karylogische Studien an verschiedenen Susswasserfischarten aus brackigen Kustengewassern der sudwestlichen Ostsee 3 Der Dreistachliger Stichling Gasterosteus aculeatus Linnaeus 1758 und der Neunstachlige Stichling Pungitius pungitius Linnaeus 1758


Zoologischer Anzeiger, 2255-6: 341-352
Karylogische Studien an verschiedenen Susswasserfischarten aus brackigen Kustengewassern der sudwestlichen Ostsee 3 Der Dreistachliger Stichling Gasterosteus aculeatus Linnaeus 1758 und der Neunstachlige Stichling Pungitius pungitius Linnaeus 1758
The mitotic and meiotic chromosomes of three-spined stickleback, Gasterosteus aculeatus, and of nine-spined stickleback, Pungitius pungitius, from an inner coastal water basin were investigated. Both species showed a diploid number of 42. The karyotype of G. aculeatus comprises 8 metacentric, 12 submetacentric, 14 subtelocentric, and 8 acrocentric chromosomes. That of P. pungitius consists of 26 meta/submetacentric and 16 subtelo- and acrocentric chromosomes. No heteromorphic sexual chromosomes could be identified. While the karyotype of G. aculeatus was more uniformly, the observations on P. pungitius imply a "plasticity" and render the interpretation of the intraspecific karyological variability more difficult.

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Accession: 038362535



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