Morphokaryological Variability and Divergence of Stargazers (Uranoscopus, Perciformes) from the Mediterranean Sea Basin: 1. Divergence and Taxonomic State of the Black Sea Stargazerстатья
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Дата последнего поиска статьи во внешних источниках: 4 февраля 2014 г.
Аннотация:Based on museum collections, the variability of morphological characters of stargazers (Uranoscopus, Uranoscopidae) from different seas of the Mediterranean Sea basin have been studied. On the basis of the obtained results and data on the karyological divergence of the previously studied populations, stargazers of the Black Sea are regarded as an independent subspecies, Uranoscopus scaber anostomus, differing from
the Mediterranean Sea populations in relatively long ventral fins, whose length usually exceeds half of the head length, the presence in most individuals of not less than 12 pyloric caeca, chromosome polymorphism
with 2n = 28–32, NF = 50, and the presence in the karyotype of a pair of marker small metacentric chromosomes. Morphological characters suitable for analysis of morphological divergence of populations of the
Mediterranean region have been revealed