The Osetra Sturgeon has the widest variety of eggs in terms of size, colour, and taste. The average mature fish grows to 4 feet and weighs between 50-200 pounds. The Osetra starts producing eggs from the age of 12. Its medium sized eggs range in colour from dark brown to golden yellow. Osetra has a unique nutty, slightly fruity flavour that many consider the best tasting Sturgeon of all.