Doppelganger. Doppelbock farming costs are slightly higher, the growth rate is relatively slow compared to sea bass, Doppelbock is a thin slice of small fish, Doppelbock is usually in thirty dollars a pound, the price of sea bass is in 15 dollars a pound. Turbot is rich in omega-3 fatty acids, protein, vitamin A, vitamin C, calcium and iron. The nutritional value of turbot is very rich, to be shown in its skin has a rich gelatinous, gelatinous flavor is very delicious.