They are also called rock sturgeon. The lake sturgeon is one of New York's largest freshwater fish. The best times to fish for lake sturgeon are early morning and evening. The largest fish of the season was registered on The white, Oregon, or Sacramento sturgeon (A. transmontanus) occurs on the Pacific coast and is the largest of the North American sturgeons, weighing up to 820 kg (1,800 pounds). State Record: 170lbs 10oz, 79 inches long, Yellow Lake, Burnett County, WI World Record: For lake sturgeon, it’s the same as our state record. Eight species of sturgeon are native to North America with only the lake sturgeon found in the Great Lakes. Mature adults average between 3-5 feet in length and 10-80 pounds in weight, but can occasionally grow as large as 7+ feet and 300+ pounds. Because they are bottom feeders, they have barbels near their mouth for locating prey. TACKLE. Worldwide there are 29 species of sturgeon. Lake sturgeon in the Great Lakes can reach lengths of 10-plus feet and approach 300 pounds. Lake sturgeon are the largest freshwater game fish in North America, and it is not uncommon to catch fish weighing in excess of 20 or 30 pounds, so you will want heavy duty tackle that can stand up … Young sturgeon like the ones just released are protected from predators by sharp, bony plates called scutes. Lake sturgeon have short, rounded, conical snouts compared to the shovel-nosed look of our other sturgeon species. Lake Sturgeon ≥50 inches are master angler sized in Michigan. Extra Facts: It is illegal to sell the skin and eggs of lake sturgeon in Wisconsin, are bottom feeders, are called the dinosaur fish, and are considered federally and state endangered. Lake sturgeon are a relic from the dinosaur age and are the oldest Michigan’s fish species. The sucker-type mouth is located under the long bony snout. While they weren’t able to weigh or measure the beast, you can hear the man in the video claiming it seemed to be between 400 and 500 pounds. The Lake Sturgeon is considered endangered (571 IAC 77.2(1) (2015)) as it has steadily decreased in abundance since 1900. The trend of big fish continued with 32 fish (18 from Lake Winnebago and 14 from the Upriver Lakes) registered that were 100 pounds or larger. There were a total of 479 lake sturgeon harvested from Lake Winnebago and 307 fish harvested from the Upriver Lakes during the 2019 spearing season. The largest fish taken from Lake Erie was caught by in 1929 and weighed 216 pounds. The main reason for its decline seems to be overharvest, but others include pollution and dam construction, which fragments the Lake Sturgeon’s habitat and stifles migration. Females live 80 to 150 years. Male lake sturgeon live an average of 55 years. The lake, or rock, sturgeon (A. fulvescens) of North America occurs in the Mississippi River valley, Great Lakes, and Canada and may weigh more than 90 kg (200 pounds). As they grow in size, the scutes remain though become softer. The lake sturgeon has a long, streamlined, sharklike body; long bony snout; and rows of sharp, bony, armored plates (scutes). The lake sturgeon (Acipenser fulvescens), also known as the rock sturgeon, is a North American temperate freshwater fish, one of about 25 species of sturgeon.Like other sturgeons, this species is an evolutionarily ancient bottom feeder with a partly cartilaginous skeleton, an overall streamlined shape and skin bearing rows of bony plates on its sides and back. The Lake Sturgeon (Acipenser fulvescens) is not only a valuable gourmet food fish, but their caviar and isinglass are also used as specialty products. 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