17.Tertio, Conseil replied, The sturionians, whose gill opening is the usual single slit adorned with a gill cover, an order consisting of four genera. Example: the sturgeon.
19.The methods vary, but Caviar Biotec, a British company, takes stem cells from sturgeon roe, grows them, then induces the cells to differentiate into eggs.
20.It's true that some sturgeon that are raised on fish farms develop external parasites on their scales, but the sturgeon on the fish farms do not jump.