Ossetra genitive case form "осетра" (osetra, 'of sturgeon') of the Russian word "осётр" (osyotr 'sturgeon') from the phrase "икра осетра" (ikra osetra, 'caviar of sturgeon'). At one time, the term "ossetra" simply referred to Russian sturgeon species harvested for this type of caviar. In Russian, there are different names for the species of sturgeon that live in various territories such as "Beluga" ("Huso huso"), Sevruga ("Acipenser stellatus") and Sterlet ("Acipenser ruthenus"). The name Ossetra corresponds to the species "Acipenser gueldenstaedtii", which is much smaller than Beluga sturgeon ("Huso huso"), and has a firmer texture. In the territory of the Russian Federation
Blittable types The following are some commonly used non-blittable types in the .NET framework: There are many more blittable and non-blittable types, and user-defined types may fit in either category depending on how they are defined (MSDN). This very restrictive notion of blittable types appears to limit the usefulness of the interoperability services provided by .NET, but this is not so. While blittable types allow a straightforward definition of interoperable types, various ways exist to explicitly define how a non-blittable type should be converted by the interop marshaler. For example, in the .NET languages there are many attributes which can be applied