This chart is a copy of a WDFW Lower Columbia chart After 2009 the State of Washington Department of Fish & Wildlife measurement is taken to the fork length not overall length. The estimated catch of 2,828 lake sturgeon speared in 1953, weighing approximately 100,000 pounds, represented the largest catch on record. 3099067
This chart shows the AVERAGE size/weight ratio, actual age may vary. Estimates in bold are based on Lake Sturgeon sampled from Lake St. Clair and the St. Clair River. These standards were developed using data collected in the WHO Multicentre Growth Reference Study. For example: the average weight for a 55 inch long Lake Sturgeon with a 25 inch girth is 48 pounds. Age determinations were accomplished by examining transverse sections of the marginal ray of the pectoral fin. The length-weight relationship of lake sturgeon in the Lake Winnebago area was computed to be: log W = −4.17096 + 3.30367 log L, where W is weight in pounds and L is total length in inches. Growth in length is rather rapid during the first few years with the fish attaining the former legal size of 30 inches in about 7 years. STURGEON LENGTH / WEIGHT. Lake sturgeon populations, markedly reduced throughout most of their range, now support commercial or sport fisheries in few regions. Fishing Weight Calculator. By closing this message, you are consenting to our use of cookies. Maximum Girth (Inches) 13 Habitat We have been gillnetting and tagging lake sturgeon on the Wisconsin, Chippewa and Wolf rivers in Wisconsin. The following chart was supplied courtesy of B. C. Frasier River White Sturgeon study program Read across the page The lake sturgeon is a docile fish despite its intimidating look and size. 5 Howick Place | London | SW1P 1WG. These data are based on lake sturgeon sampled from Lake St. Clair and the St. Clair River for fish up to 65 inches in length and 25 inches in girth. Fish measured 1077-1765mm total length and weighed 7-40 kg. Adult sturgeon do not build nests but rather the male and female release sperm and eggs together in the water current - called broadcast spawning. Lake Sturgeon Length-Girth-Weight Relationship . 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, resembling an armored torpedo. Female lake sturgeon live longer and thus grow to larger sizes than do the males. Its skeleton consists of bone and cartilage. In the smaller lakes, mayflies and aquatic sow bugs were also taken frequently. Female lake sturgeon live longer and thus grow to larger sizes than do the males. Lengths of lake sturgeon speared ranged from 30 to 79 inches; fish from 37 to 40 inches long were most abundant in the catch. Chart generated from Lake of the Woods population of Lake Sturgeon, other populations may be different.
Females made up 96 percent of the total catch of fish over 60 inches long. STURGEON LENGTH / WEIGHT. ble above are average weight (in pounds) for Lake Sturgeon of a given length and girth. Use a Ruler to Weigh Your Fish. For panfish, bass, trout, pike, muskie and walleye. The information in this chart has been compiled through various resources, including the BC Fraser River White Sturgeon study program. To estimate the weight of your catch, measure the fish's total length - from tail to the mouth - … Registered in England & Wales No. Age-groups from 0 to LXXXII were represented in collections made in the Lake Winnebago area with age-groups XV to XXX most numerous. A sport fishery in the Lake Winnebago area annually attracts approximately 2,000 spearers who take from about 400 to more than 2,800 fish. Like its prehistoric ancestors, Lake sturgeon have a distinct shark-like tail and rows of armored plates called “scutes” for protection. This spring we tagged 200 lake sturgeon in 5 days of netting on the Chippewa. Another great resource for My Fishing Pals! We use cookies to improve your website experience.
Tendepedid larvae were the most important food item taken by the lake sturgeon in Lake Winnebago. A 40-inch sturgeon would be approximately 13 years old and a 50-inch fish, 20 years. Estimate the weight of a lake sturgeon. Italicized estimates are from Minnesota data because fish with those measurements are rare in Michigan DNR sturgeon surveys in … This annual yield of lake sturgeon is exceeded in North America only by commercial fisheries for white and green sturgeon in the States of Washington and Oregon. Estimate the weight of your fish by measuring the length and girth. 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. 76 57 62 66 71 76 81 86 Alberta Lake Sturgeon Length-Girth-Weight Relationship Total Length (Centimeters)) s r e t e m i t n e C (h t r i G Weight (lb) 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135 140 145 150 155 160 165 170 175 No difference was noted in growth of the sexes. WHITE STURGEON WEIGHT/AGE CHART LENGTH (Ft.) 3’1” 3’3” 3’5” 3’7” 3’9” 3’11” 4’1” 4’3” 4’5” 4’7” 4’9” I don't think you need anything bigger. Total Length (Inches) 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 . The length-weight relationship of lake sturgeon in the Lake Winnebago area was computed to be: log W = −4.17096 + 3.30367 log L, where W is weight in pounds and L is total length in inches. We used both #177 mono and #208 multifilament of mesh size 4, 5, and 6" bar measure. To learn about our use of cookies and how you can manage your cookie settings, please see our Cookie Policy. the average weight for a 55 inch long lake sturgeon with a 25 inch girth is 50 pounds. Register to receive personalised research and resources by email, Age, Growth, and Production of the Lake Sturgeon (Acipenser Fulvescens) in the Lake Winnebago Region, Wisconsin, Wisconsin Conservation Department , Madison , Wisconsin , USA, /doi/pdf/10.1577/1548-8659%281954%2984%5B207%3AAGAPOT%5D2.0.CO%3B2?needAccess=true, Transactions of the American Fisheries Society, Medicine, Dentistry, Nursing & Allied Health. Yes, it is possible to get an approximate weight for many species of fish by measuring their lengths.
When spearing conditions are favorable more persons participate in the sport and enjoy a greater rate of success. This species can grow to nine feet in length and weigh more than 300 pounds. Females made up 96 percent of the total catch of fish over 60 inches long.