How Long Does A White Sturgeon Live

Transmontanus occurs on the Pacific coast and is the largest of the North American sturgeons weighing up to 820 kg 1800 pounds.
How long does a white sturgeon live. Mr Henry says that the Fraser River white sturgeon reared in captivity have proven different - maturing at 11 years old. Caviar is the salt-cured eggs or roe of sturgeon. These prehistoric fish may live well over 100 years and may not mature until they are 25-years-old.
White Sturgeon Related Articles. Individuals reaching this size may be more than 100 years old. Those that do survive will be larvae then young Sturgeon with fins and scoots.
Females do not spawn annually but repeat spawning at intervals of 3 11 years depending on food availability. The family Acipenseridae also includes the genus Scaphirhynchus the shovelhead or shovelnose sturgeon with three species distinguished by their long broad flat snouts. It is important to keep in mind that true caviar can only come from one of the 27 species of sturgeon.
This sets them apart from their cousins. As such all sturgeon angling in the province is catch and release only and will be more strictly managed in the future. 2021-03-12 Youll recognize White Sturgeon by their stark white lower bodies.
They can move back and forth from freshwater to saltwater though BC Sturgeon usually stay in the rivers. White sturgeon from the Columbia River have been known to go as far south as the Sacramento River in California and as far north as the Frasier River in Canada. Life Cycle of the White Sturgeon 1.
The Green Sturgeon has 25 to 30 lateral shields compared to 38 to 48 in the White Sturgeon barbels that are nearer to the mouth than the tip of the snout nearer the snout in White Sturgeon and has generally greenish to olive-coloured upper body parts. Spawning occurs during the spring at water temperatures of 819 C 4863 F. In addition to being endangered white sturgeon mature after 17 to 20 years and can live for more than 100 years so impacts or injuries can be long lasting.