When caught was defined as Ship sturgeon (Ac. but the starch gel 1 nudiventris), Hybrid № electrophoresis showed also a heredity of Russian sturgeon (Ac. - second or gueldenstaedti) third generation (Fig 1). № Fig 1 (hybrid 1) № № The IEF of hemoglobin shows heredity of and (Fig Hybrid 2 Ac. stellatus Ac. ruthenus № № 2). Fig 2 (hybrid 2) № № The isoelectroforetic study shows heredity of and Hybrid 3 Huso huso Ac. ruthenus № (bester) - also caught in the region of Varna, 2006. Fig 3 (hybrid 3) № № With morphological signs of Russian sturgeon (Ac. and Sterlet Hybrid 4 gueldenstaedti) № (Ac. - caught the autumn of 2010 in the Danube River along with Sterlet specimens. ruthenus) Fig 4 (hybrid 4) № № 1 2 3 4 5 6 7 8 1 2 3 4 5 Fig 5 Electropherogram of serum Fig 6 IEF of hemoglobin: 1 and 3 № № – proteins: 1 Russian sturgeon; 2, 4 Sterlet; 2 and 4 Hybrid 2; 5 – – № – and 6 Hybrid 1; 3 Sterlet; 5 Stellate sturgeon. – № – – Stellate sturgeon; 7 Hybrid (Russian – Sturgeon x Siberian sturgeon) and 8 – Siberian sturgeon.
Hybrid № 1 When caught was defined as Ship sturgeon (Ac. nudiventris), but the starch gel electrophoresis showed also a heredity of Russian sturgeon (Ac. gueldenstaedti) - second or third generation (Fig № 1). Fig № 1 (hybrid № 1) Hybrid № 2 The IEF of hemoglobin shows heredity of Ac. stellatus and Ac. ruthenus (Fig № 2). Fig № 2 (hybrid № 2) Hybrid № 3 The isoelectroforetic study shows heredity of Huso huso and Ac. ruthenus (bester) - also caught in the region of Varna, 2006. Fig № 3 (hybrid № 3) Hybrid № 4 With morphological signs of Russian sturgeon (Ac. gueldenstaedti) and Sterlet (Ac. ruthenus) - caught the autumn of 2010 in the Danube River along with Sterlet specimens. Fig № 4 (hybrid № 4) 1 2 3 4 5 6 7 8 1 2 3 4 5 Fig № 5 Electropherogram of serum Fig № 6 IEF of hemoglobin: 1 and 3 – proteins: 1 – Russian sturgeon; 2, 4 Sterlet; 2 and 4 – Hybrid № 2; 5 – and 6 – Hybrid № 1; 3 – Sterlet; 5 – Stellate sturgeon. Stellate sturgeon; 7 – Hybrid (Russian Sturgeon x Siberian sturgeon) and 8 – Siberian sturgeon.
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