Lake Sturgeon Found In

They are usually found in waters ranging from 15 to 65 feet deep.

Lake sturgeon found in. Lake Sturgeon are found throughout the Ottawa River and its tributaries although there is significant variation in relative abundance between river reaches Table 6. They consistently are found at depths greater than 10 m in the Winnipeg River Erickson pers. 11 LAKE STURGEON BIOGEOGRAPHY AND BIOLOGY With a historical range spanning the Great Lakes Hudson Bay and Mississippi River drainage basins the Lake Sturgeon is the only freshwater sturgeon found in North America and is arguably Manitobas most unique fish.

It is further classified under the sub-family of Acipenserinae and genus Acipenser Linnaeus 1758. Lake sturgeon can be considered a nearshore warmwater species with water. The lake sturgeon exists for the most part as a freshwater species being found rarely in brackish water in larger rivers with access to the sea.

The fishery was opened and closed for periods of 4 - 9 years on at least 3 occasions between 1932 and 1970. It is one of Canadas largest freshwater fishes. The average size is 09 to 15 m and 35 to 36 kg but they can grow up to 25 m and weigh over 140 kg.

They are a benthic bottom dwelling species that feeds over substrates of. Despite the name lake sturgeons are also found in rivers and once roamed watersheds from the Mississippi River in the west to Hudson Bay in the east. Lake Sturgeon can be found in Canada from Alberta to the St.

Average life span is 50 to 80 years. Spawning occurs in the spring in fast-flowing water at depths between 06 and 5 m over hard-pan clay sand gravel and boulders. The Ottawa River has been fragmented by dams.

Lake sturgeon are generally found in the shallow areas of lakes or larger rivers moving into smaller rivers to spawn. Lake Sturgeon are largely found in the Great Lakes-upper St. Adults are found in large rivers and lakes generally at depths of 5-10 m over substrates of mud clay sand or gravel Lane et al.