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| Content Provider | Springer Nature Link |
|---|---|
| Author | Vasil’eva, E. D. Vasil’ev, V. P. |
| Copyright Year | 2016 |
| Abstract | In connection with the problems of identification of certain species of the genus Ponticola, and especially their juveniles, morphological and genetic studies of gobies collected in the northwestern part of the Black Sea basin were carried out using literature data and museum collections. Karyological data indicate a distinct species status of western (P. odessicus) and eastern (P. eurycephalus) mushroom gobies; the range of the latter includes not only the Sea of Azov but also waters of the Black Sea coast of the Crimean Peninsula; these conclusions are supported by preliminary molecular genetic studies. Based on the obtained results of intraspecific morphological variability of species, we propose morphological characteristics for identification of adult P. syrman and P. odessicus, as well as a specific set of characteristics to identify juvenile (body length less than 50 mm) P. syrman, P. kessleri, and P. odessicus. We reveal differences in the karyotype structure of P. syrman from populations of the Sasyk Lake and the Don River, which do not differ in terms of external morphological characteristics and variability of cytochrome b haplotypes. The need for further research of phylogeography and morphological and karyological variability of P. syrman sensu lato is assumed. |
| Starting Page | 644 |
| Ending Page | 655 |
| Page Count | 12 |
| File Format | |
| ISSN | 00329452 |
| Journal | Journal of Ichthyology |
| Volume Number | 56 |
| Issue Number | 5 |
| e-ISSN | 15556425 |
| Language | English |
| Publisher | Pleiades Publishing |
| Publisher Date | 2016-10-22 |
| Publisher Place | Moscow |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Ponticola karyotype morphological variability diagnostic characteristics taxonomy Zoology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Aquatic Science |
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