Comparative osteology of the Beluga (Huso huso) and the Siberian sturgeon × Beluga (Huso huso♀ ×Acipenser baeri♂) hybrid

Document Type : Original Article

Authors

1 Department of Fisheries, Faculty of Natural Resources, University of Tehran, Karaj

2 Department of Seafood Processing, Faculty of Marine Sciences, Tarbiat Modares University, Noor

Abstract

Crossbreeding among different Sturgeon species to reach superior traits is customary. Since, the identification of functions such as feeding and respiration is not possible without recognition of skeletal structures especially cephalic skeleton; hence, this study was conducted to survey the cephalic osteology of Siberian sturgeon (Acipenser baeri) × Beluga (Huso huso) hybrid and comparing it with Beluga. For this purpose, the specimens were cleared and stained with alcian blue and alizarin red for osteological examination. The specimens were scanned and then Drew using CorelDraw X6 software. Finally, cephalic osteology of two species were described. Despite many similarities of skeletal structures, there were some differences between studied species. There were no differences between jaws of two studies species.

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