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I cromosomi di quattro specie di Scorpaenidae mediterranei (Pisces, Scorpaeniformes)

Luciana Sola;  Stefano Cataudella — 1978

Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti

Four species of Scorpaenidae have been investigated from the karyological viewpoint. R emarkable karyotypic differences have been evidenced within the genus Scorpaena; in fact Scorpaena porcus shows a diploid num ber 2 n = 42, Scorpaena scrofa 2 n = 46 and Scorpaena notata 2 n = 34. Moreover, the karyotypic variability within the family is emphasized by the complement of Helicolenus dactylopterus, characterized by 2 n = 48. The d ata have been discussed in relation to the problem of the taxonomic...

Notizie preliminari sulla costituzione cariologica dell'ibrido intergenerico Salmo gairdneri X Salvelinus fontinalis (Pisces,Salmoniformes)

Stefano Cataudella;  Maria Vittoria Civitelli;  Nora Martinelli;  Ernesto Capanna — 1975

Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti

The chromosome complement of an experimental hybrid Salmo gairdneri X Salvelinus fontinalis has been investigated in 21 specimens. The chromosomes number has been demonstrated to vary both intrerindividually as well as within the different tissues of the same subject. The chromosome number ranges from 92 to 106 and the Fundamental numbers vary from 133 to 159. The morphological analysis of the hybrid karyotypes evidences that each complement is made up by one haploid set of Salvelinus fontinalis...

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