The Pacific sturgeon (Acipenser transmontanus) is most commonly indigenous to the Northern Pacific Coast, and most prevalent in the Snake, Sacramento, Columbia, and Willamette Rivers. The Pacific sturgeon is considered the largest of all the domestic sturgeon, weighing as much as a thousand pounds in the wild, with the female maturing at age 10 or 11. The caviar derived from the transmontanus overall is medium to large in grain, light grey to black in complexion, and generally very mild in flavor. salting, American transmontanus is extracted practically throughout the year and only requires about 3% salting like a true Malossol. Our Classical Selection is selected by our professionals and has high quality and excellent taste.