Sturgeon are among the largest and most ancient of bony fishes. As it is, this species still remains the largest freshwater fish in North America. Because sturgeon live so long, they reach maturity at a much later age than most species. Eggs sink and adhere to bottom gravels, hatch in 1-2 weeks, and the fry (young) seek shelter in shallow backwater. Egg (fertilization) Spawning occurs when the female sturgeon releases eggs and the male sturgeon fertilizes them. White sturgeon are vastly more common than green sturgeon, such that most anglers will never see a green sturgeon in the wild. Discover How Long Atlantic Sturgeon Lives. Discover How Long Lake sturgeon Lives. Shortnose sturgeon. White sturgeon populations have declined since the 1880s. This overâexploitation led to restrictive rules being placed on sturgeon fishing in Idaho. The White Sturgeon. Stellate Sturgeon. Sterlet. Commercial harvest was eliminated during 1943, and sport harvest was eliminated during 1970 (Cochnauer et al. Unlike many salmon species that spawn once and die, white sturgeon are capable of spawning many times throughout their life. Shark. Discover How Long Lake sturgeon Lives ... LIFE SPAN: 82 - 152 years. The white sturgeon comprises the vast majority of the sturgeon in the Fraser River. POPULAR FISH. 1985) with the White sturgeon. They are highly specialized, containing such features as a heterocercal tail, fin structure, jaw structure, spiral valve intestine, and spiracle. Spawning occurs during May to July. Shovelnose Sturgeon. White sturgeon depend on a number of environmental cues in the spring to spawn - these include water temperature, day length, strength of water current and riverbed material. Tiger shark. Ray. In order to spawn successfully, white sturgeon must find a part of the river that is the correct depth and has proper flow. Also, the water temperature must be between 14 and 18 degrees Celsius. The white sturgeon is reported to reach 6 metres (~19.5ft) long and 800 kg (1760lbs). The natural diet they are fed allows to harvest caviar which is very close in flavor to that famous Russian Osetra caviar, generously sized beads boast light nutty taste, both smooth and robust. This species may live to 60-70 years of age. Out sized only by the Beluga and the Kaluga, the White Sturgeon is the third largest of the sturgeon species. Common Name: Lake sturgeon. Early declines were the result of overâharvest for caviar and meat. White sturgeon life cycle - Background reading for students Lifecycle. Life Cycle of the White Sturgeon 1. Giant manta Ray. In both the Nechako and Upper Columbia, female sturgeon reach maturity around 30 years of age, while males reach maturity during their teens to mid 20s. Category: Sturgeon ... Russian sturgeon. White sturgeon eat fish, crustaceans, mollusks, worms, and plant material. OUR DATA: We use the most recent data from these primary sources: AnAge, UMICH, Max Planck, PanTHERIA, Arkive, UKC, AKC. The white sturgeon is largest fresh water fish in the world and the lower Fraser River from Hope to the tidal zone is the best location to fish for white sturgeon. OUR DATA: We use the most recent data from these primary sources: AnAge, UMICH, Max Planck, PanTHERIA, Arkive, UKC, AKC. The White Sturgeon is an anadromous fish that is characterized by slow growth and late maturity. Discover How Long Yangtze sturgeon Lives. Yangtze sturgeon. LIFE HISTORY: White sturgeon probably reach sexual maturity at age 10-15 years. American White Sturgeon are original American species farmed in Californian ponds filled with fresh artesian waters.