P. Mikheev, M. D. Polygalova, A. Pomelova, N. V. Kostitsyna, E. V. Podorozhniuk
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Morphological differentiation of Amur fall Chum salmon juveniles Oncorhynchus keta (Salmonidae) of natural and hatchery origin
The results of a comparative analysis of the number of myotomes and fin rays in the dorsal and anal fins of Amur fall chum salmon fry of artificial and natural origin are presented. Juveniles of natural origin were distinguished by large values of the analyzed morphological features. The results can be used for the determination of juvenile chum salmon of natural and artificial origin at the intra-basin level for large tributaries of the Amur River.
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