Morphometric variation of hybridizing species and gynogenetic biotypes of spined loaches (Cobitidae: Cobitis) in river systems of Ukraine
To test the possibility of identifying the species and biotypes of spined loaches of the complex Cobitis elongatoides – taenia – tanaitica using body morphometric characteristics, we considered a pool of specimens from different river systems of Ukraine. The sample included three parental species an...
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Publishing House "Akademperiodyka" of the National Academy of Sciences of Ukraine
2020
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oai:ojs.akademperiodyka.org.ua:article-892023-03-22T18:55:48Z Morphometric variation of hybridizing species and gynogenetic biotypes of spined loaches (Cobitidae: Cobitis) in river systems of Ukraine Mezhzherin, S. V. Pavlenko, L. I. Tsyba, A. O. Saliy, T. V. Ghazali, M. A. Morphometry Diagnostics diploid-polyploilex spined loaches Cobitis To test the possibility of identifying the species and biotypes of spined loaches of the complex Cobitis elongatoides – taenia – tanaitica using body morphometric characteristics, we considered a pool of specimens from different river systems of Ukraine. The sample included three parental species and seven hybrid biotypes with various genome combinations, and the morphometry was based on 23 body parameters and 26 derivative indices. The variability was analyzed by standard and multivariate statistics. Neither any one measurement, nor their combination allowed identifying the specimens with 95-100% probability. Pooled, samples had no internal logic of morphological remoteness of hybrid biotypes and parental species in regards to their genetic similarity. Morphometry’s low resolution in case of pooled samples is linked to the specifics of body shape and significant geographic variability which partially evens out the between-group differences, while within samples the resolution was higher without reaching even 95% diagnostical certainty. All in all, the resolutions obtained for morphometric parameters are within results obtained in similar studies for other hybrid fishes. Publishing House "Akademperiodyka" of the National Academy of Sciences of Ukraine 2020-07-20 Article Article application/pdf https://ojs.akademperiodyka.org.ua/index.php/Zoodiversity/article/view/89 10.15407/zoo2020.04.285 Zoodiversity; Vol. 54 No. 4 (2020): Zoodiversity Zoodiversity (Vestnik Zoologii); Том 54 № 4 (2020): Zoodiversity 2707-7268 2707-725X 10.15407/zoo2020.04 en https://ojs.akademperiodyka.org.ua/index.php/Zoodiversity/article/view/89/36 Copyright (c) 2020 S. V. MEZHZHERIN, L. I. PAVLENKO, A. O. TSYBA, T. V. SALIY, M. A. GHAZALI https://creativecommons.org/licenses/by-nc-nd/4.0 |
| institution |
Zoodiversity |
| collection |
OJS |
| language |
English |
| topic |
Morphometry Diagnostics diploid-polyploilex spined loaches Cobitis |
| spellingShingle |
Morphometry Diagnostics diploid-polyploilex spined loaches Cobitis Mezhzherin, S. V. Pavlenko, L. I. Tsyba, A. O. Saliy, T. V. Ghazali, M. A. Morphometric variation of hybridizing species and gynogenetic biotypes of spined loaches (Cobitidae: Cobitis) in river systems of Ukraine |
| topic_facet |
Morphometry Diagnostics diploid-polyploilex spined loaches Cobitis |
| format |
Article |
| author |
Mezhzherin, S. V. Pavlenko, L. I. Tsyba, A. O. Saliy, T. V. Ghazali, M. A. |
| author_facet |
Mezhzherin, S. V. Pavlenko, L. I. Tsyba, A. O. Saliy, T. V. Ghazali, M. A. |
| author_sort |
Mezhzherin, S. V. |
| title |
Morphometric variation of hybridizing species and gynogenetic biotypes of spined loaches (Cobitidae: Cobitis) in river systems of Ukraine |
| title_short |
Morphometric variation of hybridizing species and gynogenetic biotypes of spined loaches (Cobitidae: Cobitis) in river systems of Ukraine |
| title_full |
Morphometric variation of hybridizing species and gynogenetic biotypes of spined loaches (Cobitidae: Cobitis) in river systems of Ukraine |
| title_fullStr |
Morphometric variation of hybridizing species and gynogenetic biotypes of spined loaches (Cobitidae: Cobitis) in river systems of Ukraine |
| title_full_unstemmed |
Morphometric variation of hybridizing species and gynogenetic biotypes of spined loaches (Cobitidae: Cobitis) in river systems of Ukraine |
| title_sort |
morphometric variation of hybridizing species and gynogenetic biotypes of spined loaches (cobitidae: cobitis) in river systems of ukraine |
| description |
To test the possibility of identifying the species and biotypes of spined loaches of the complex Cobitis elongatoides – taenia – tanaitica using body morphometric characteristics, we considered a pool of specimens from different river systems of Ukraine. The sample included three parental species and seven hybrid biotypes with various genome combinations, and the morphometry was based on 23 body parameters and 26 derivative indices. The variability was analyzed by standard and multivariate statistics. Neither any one measurement, nor their combination allowed identifying the specimens with 95-100% probability. Pooled, samples had no internal logic of morphological remoteness of hybrid biotypes and parental species in regards to their genetic similarity. Morphometry’s low resolution in case of pooled samples is linked to the specifics of body shape and significant geographic variability which partially evens out the between-group differences, while within samples the resolution was higher without reaching even 95% diagnostical certainty. All in all, the resolutions obtained for morphometric parameters are within results obtained in similar studies for other hybrid fishes. |
| publisher |
Publishing House "Akademperiodyka" of the National Academy of Sciences of Ukraine |
| publishDate |
2020 |
| url |
https://ojs.akademperiodyka.org.ua/index.php/Zoodiversity/article/view/89 |
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AT mezhzherinsv morphometricvariationofhybridizingspeciesandgynogeneticbiotypesofspinedloachescobitidaecobitisinriversystemsofukraine AT pavlenkoli morphometricvariationofhybridizingspeciesandgynogeneticbiotypesofspinedloachescobitidaecobitisinriversystemsofukraine AT tsybaao morphometricvariationofhybridizingspeciesandgynogeneticbiotypesofspinedloachescobitidaecobitisinriversystemsofukraine AT saliytv morphometricvariationofhybridizingspeciesandgynogeneticbiotypesofspinedloachescobitidaecobitisinriversystemsofukraine AT ghazalima morphometricvariationofhybridizingspeciesandgynogeneticbiotypesofspinedloachescobitidaecobitisinriversystemsofukraine |
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2024-09-01T18:01:33Z |
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2024-09-01T18:01:33Z |
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