[2] It is known by a variety of regional names, such as the widemouth bass, bigmouth bass, black bass, bucketmouth, largies, Potter's fish, Florida bass, Florida largemouth, green bass, bucketmouth bass, Green trout, gilsdorf bass, Oswego bass, LMB, and southern largemouth and (paradoxically) northern largemouth. Largemouth Bass have a shape factor of 1050. That is, although the average three-year-old largemouth bass is 13.3 inches long, some will be as small as 11 inches and others as large as 15 inches. All you need is a measuring tape to measure the length and girth. Site Designed by SuperPixel. For comparison, many largemouth bass weigh around 15-16 pounds at the high end. In the southern states, where the largest and healthiest specimens typically inhabit, this process can begin in March and is usually over by June. Small largemouth, of 10–14 inches, can contain higher quality meat, especially during the spring. 8 oz. The largemouth bass is an olive-green to greenish gray fish, marked by a series of dark, sometimes black, blotches forming a jagged horizontal stripe along each flank. It was caught by George Perry in Montgomery Lake near Valdosta, Georgia in 1932. Privacy Policy Find Your State’s 2020 Free Fishing Day and Fishing Season Dates, Warranty, shipping, and return information. 2 oz. 10 oz. Girth (in.) 10 oz. 0 oz. 11 oz. Join our community and get free access to tips, tricks, new products, and more right to your inbox - all designed to supercharge your next fishing trip. Largemouth Bass Weight Chart You can use this table to find the approximate weight of a bass by simply measuring the length of the bass to the nearest 1/8th of an inch and then finding that corresponding weight. relative weight of the bass length. Length (in.) It is not meant to be 100% accurate. In the northern region of the United States and Canada, this usually occurs anywhere from late April until early July. [30] In 2011, researchers found that in streams and rivers in the Iberian Peninsula, juvenile largemouth bass were able to demonstrate trophic plasticity, meaning that they were able to adjust their feeding habits to obtain the necessary amount of energy needed to survive. For comparison, many largemouth bass weigh around 15-16 pounds at the high end. 1 lb. 8 oz. 11 oz. The world’s largest confirmed largemouth bass is 22.25 pounds. Largemouth bass have b… 14 oz. To most fishermen, a lunker is any largemouth that weighs about 5 or 6 pounds in the northern United States. Minimum length and weight requirements are waived. 12 oz. Length-Weight Relationship There is a relationship between the length and weight of largemouth bass. Largemouth bass are keenly sought after by anglers and are noted for the excitement of their 'fight', meaning how vigorously the fish resists being hauled into the boat or onto shore after being hooked. Bass will usually spawn twice per spring, with some spawning three or four times, although this is not as common. 1 lb. This field is for validation purposes and should be left unchanged. The world’s largest confirmed largemouth bass is 22.25 pounds. The current world record for the largest largemouth bass ever caught is 22 lbs 4 oz.. Smallmouth bass on the other hand are smaller with a more elongate body. [17], Studies of prey utilization by largemouths show that in weedy waters, bass grow more slowly due to difficulty in acquiring prey. To most fishermen, a lunker is any largemouth that weighs about 5 or 6 pounds in the northern United States. Kurita's bass was caught from Lake Biwa in Japan on July 2, 2009 and weighed 10.12 kg (22 lbs 4 oz.) The weight results will be extremely close to the actual weight of the fish. Smallmouth Bass: WEIGHT = LENGTH x GIRTH 2 / SHAPE FACTOR WEIGHT= 20 x (15 2) / 1100 WEIGHT= 20 x 225 / 1100 WEIGHT= 4500 / 1100 WEIGHT = 4.09 pounds Largemouth Bass: WEIGHT = LENGTH x GIRTH 2 / SHAPE FACTOR WEIGHT= 20 x (15 2) / 1050 WEIGHT= 20 x 225 / 1050 WEIGHT= 4500 / 1050 WEIGHT = 4.29 pounds This feeding habit may impact the ecosystem positively, but more research must be conducted to verify this. It was caught by George Perry in Montgomery Lake near Valdosta, Georgia in 1932. This formula will give you the weight within 6 to 8 ounces. The largemouth is the largest of the black basses, reaching a maximum recorded overall length of 29.5 in (75 cm) and a maximum unofficial weight of 25 pounds 1 ounce (11.4 kg). [9] The upper jaw (maxilla) of a largemouth bass extends beyond the rear margin of the orbit. For more information about NCARP, call (919) 707-0220. Sexual dimorphism World Record Largemouth Bass - Tie- Manabu Kurita 22.5lb On July 2nd, 2009 Manabu Kurita caught the 22 pound, 5 ounce Largemouth Bass, in Lake Biwa in Japan. If you’re a serious bass angler in the southern US, the good news is that... As the water cools, keep your baits in shape and ready for next year. It was caught on a live bluegill. 14 oz. There are a few fish stories about a 20 pound, or 9.1 kilograms Florida Largemout… In colder waters, these fish are often a danger to native fish fry such as salmon and trout. Relatively plump bass generally indicate a These fish are very capable of surviving in a wide variety of climates and waters. The typical lifespan of … [15] In larger lakes and reservoirs, adult bass occupy deeper water than younger fish, and shift to a diet consisting almost entirely of smaller fish like shad, yellow perch, ciscoes, suckers, shiners, freshwater silversides,[16] and sunfish. The upper jaw (maxilla) of a largemouth bass extends beyond the rear margin of the orbit. You can then manually use the formula in this bass weight calculation chart below to calculate the approximate weight of your Largemouth or Smallmouth bass. The basic formula for calculating the weight of a largemouth bass or smallmouth bass is: length x length x length divided by 1600. Largemouth bass typically grow larger than smallmouth. Dealer Registration/Login Weight Record - Game Fish Most recent entry is highlighted in this color. The bass measured 29 inches in length. 12 oz. 12 oz. The chart above is a general guideline for fish of average girth. [citation needed] Largemouth bass have a white, slightly mushy meat, lower quality than that of the smallmouth bass, bluegill, yellow perch, crappie or walleye. They are also an invasive species in the Canadian province of New Brunswick, and are on the watch list across much of the far northern US and Canada. After one is found, the two bass swim around the nest together, turning their bodies so that the eggs and sperm that are being released will come in contact on the way down to the nest. 11.5" 11 oz. These nests are usually about twice the length of the males, although this can vary. Perry's bass was caught on June 2, 1932 from Montgomery Lake in Georgia and weighed 10.09 kg (22 lbs 4 oz.) Largemouth and Smallmouth Bass Length to Weight Conversion Chart Length in inches … Leave a comment about this site. [26] Largemouth bass usually hang around big patches of weeds and other shallow water cover. Largemouth Bass RT, Tail Out Open Mouth Length= 20 1/2" Girth= 15 1/2" Weight= 5 lbs. This bass weighs one ounce more than the existing world record. 10.5" 9 oz. [31] Similarly, a study done in Japan showed that the introduction of both largemouth bass and bluegill into farm ponds have caused increases in the numbers of benthic organisms, resulting from the predation on fishes, crustaceans, and nymphal odonates by the bass. Your information will never be sold or shared with anyone. Adult largemouth bass range from 13-20 inches in length and about 1-4.5 lbs in weight depending on water population. Alright, you’re going for the lunker largemouth found in our freshwater lakes. © 2020 Trophy Technology, LLC. Looking at the chart this particular bass has a relative weight of approximately 90%. In fact, large golden shiners are a popular live bait used to catch trophy bass, especially when they are sluggish in the heat of summer or in the cold of winter. Bass graphic by Duane Raver, Jr. To calculate the weight of a bass below, enter length and girth in decimal inches (for example 22.5 and 18.5) and the various weight estimates will be automatically calculated.Note that these are all estimates. The typical lifespan of the White Bass is 4-9 years. 13" 1 lb. The largemouth bass (Micropterus salmoides) is a carnivorous freshwater gamefish in the Centrarchidae (sunfish) family, a species of black bass generally native to eastern and central North America, in Canada, United States and northern Mexico, but widely introduced elsewhere. 6 oz. Both the young and adult largemouths are targeted by the bald eagle. Adults consume smaller fish (bluegill, banded killifish, minnows), shad, worms, snails, crawfish (crayfish), frogs, snakes, salamanders, bats[14] and even small water birds, mammals, turtle hatchlings, and alligator hatchlings. My analysis of hundreds of reported black bass catches with length, girth, and weight published data seems to reveal these findings: 29 to 29.7-inch length bass with 20.5 to 26.5-inch girths can weigh from about 13.2 to 18.8 pounds (15 to 17 pounds average) [25] Anglers most often fish for largemouth bass with lures such as Spinnerbait, plastic worms (and other plastic baits), jigs, crankbaits, and live bait, such as worms and minnows. It won’t be good enough for official record keeping, but good enough for a fisherman’s estimate. All Rights Reserved. Length Smallmouth Bass Largemouth Bass Brook Trout Rainbow Trout Brown Trout Lake Trout; Weight Weight Weight Weight Weight Weight; 9" 9.5" 10" 8 oz. 3 oz. Species Weight (lbs.) This sport is now a multi-billion dollar industry. Largemouth Bass fishing has significantly expanded from its humble beginnings in the late 19th century. The average length is 18 inches/46 cm but the Florida Largemouth Bass may grow to a length of 24 inches/61 cm or more. Largemouth bass respond well to catch and release, with a very high survival rate after release, especially if the fish is handled with care and is loosely hooked in the side or top of the mouth. But the relationship can differ between bodies of water. [12] Average lifespan in the wild is 10 to 16 years. [29] They have also been blamed for the extinction of the Atitlan grebe, a large waterbird which once inhabited Lake Atitlan, Guatemala. When fishing for largemouth bass on a lake, the two major considerations for determining the weight of your rod is the size and aerodynamics of your fly, and whether or not you’re fishing from a boat. * PLEASE NOTE: This is an estimate only. Fisheries managers must consider these factors when designing regulations for specific bodies of water. Length in inches from nose to fork in the tail. [11] Sexual dimorphism is found, with the female larger than the male. Fly fishing for largemouth bass may be done using both topwater and worm imitations tied with natural or synthetic materials. Largemouth Bass in Lakes, Ponds, and Rivers. For example: a bass was caught measuring 16” and weighed 2 lbs. To use the calculator, input the length and girth of your fish. [24] After finishing the nest, the males swim near the nest looking for a female to mate with. When autocomplete results are available use up and down arrows to review and enter to go to the desired page. In general, this formula will give you a close enough estimate to the weight. The girth is the length around the largest part of the body of a bass. [citation needed] However, if the fish swallows the hook, survival odds greatly decrease. You can also use the weight calculator below. Experienced anglers know that some lakes or coves produce plumper fish than others. Touch device users, explore by touch or with swipe gestures. The longest largemouth bass on record have been in the 32-inch class. Largemouth Bass RT, Tail Out Open Mouth Length= 20 1/2" Girth= 15 1/2" Weight= 5 lbs. [19] Multiple species of kingfishers and bitterns feed on this bass, as well. Girth is also a significant factor and can vary the weight considerably. Just measure the length, and then the girth. Media & Press Kit. Media and Pro Staff inquiries The giants from California and Japan look like footballs, but don't measure up when it comes to length. Note that it is illegal to use Neogobius melanostomus as bait in the Great Lakes Region. Store policies, sales, and exclusions They are perhaps, one of the World's most tolerant freshwater fish. You can get an average estimate of the weight of your fish in pounds using the following formula. Other live baits, such as frogs or crawfish, can also be productive. It causes the decline, displacement or extinctions of species in its new habitat through predation and competition,[28] for example in Namibia. And you’ll have a story to tell your buddies and local fishing clubs. [22] Bass prefer sand, muck, or gravel bottoms, but will also use rocky and weedy bottoms where there is cover for their nest, such as roots or twigs. (2019). 12" 13 oz. 10.2305/IUCN.UK.2019-2.RLTS.T61265A58310038.en, Florida Fish and Wildlife Conservation Commission, "Escondido's world-famous bass found dead", "Largemouth Bass (Micropterus salmoides)", https://www.cabi.org/isc/datasheet/74846#tobiologyAndEcology, "Filial cannibalism by largemouth bass (Micropterus salmoides): a three-decade natural history record from a small northern temperate lake", https://animaldiversity.org/accounts/Micropterus_salmoides/, "Excerpt of Michigan's Natural Resource and Environmental Protection Act", "Largemouth Bass: Biology and Life History", "Largemouth Bass Spawning and Fishing Consideration", "Bass Fishing Tips - Tips on How to Catch a Largemouth Bass", "IGFA World Record | All Tackle Records | Bass, largemouth", "issg Database: Impact Information for Micropterus salmoides", "Nature Restoration Projects in Japan: Lake Izunuma-Uchinuma", https://en.wikipedia.org/w/index.php?title=Largemouth_bass&oldid=1000786387, Taxa named by Bernard Germain de Lacépède, Short description is different from Wikidata, Articles with unsourced statements from January 2020, Articles with unsourced statements from July 2019, Taxonbars with automatically added original combinations, Creative Commons Attribution-ShareAlike License, This page was last edited on 16 January 2021, at 18:30. It'll be interesting to see who claims the top mark in the International Game Fish Association's new record category, but it's a safe bet that Florida anglers will fare well. [20], Notably in the Great Lakes Region, Micropterus salmoides along with many other species of native fish have been known to prey upon the invasive round goby (Neogobius melanostomus). The world record Florida Largemouth bass was caught in Montgomery Lake, Georgia in 1932 at a whopping 22 pounds, 4 ounces/10 kilograms. A big bass, say five pounds, might be anywhere between six … Here... Is Bass Fishing in Winter with Buzzbaits a Good Idea? The ability to do such, allows them to be successful as invasive species in relatively stable aquatic food webs. 4 oz. Species Min. 11" 10 oz. A recent trend is the use of large swimbaits to target trophy bass that often forage on juvenile rainbow trout in California. [3] The largemouth bass is the state fish of Georgia[4] and Mississippi,[5] and the state freshwater fish of Florida[6] and Alabama. In Florida, a largemouth needs to be about 10 pounds or more to attract any attention. 11 oz. ... NCARP Minimum Trophy Fish Weight or Length Requirements. Under overhead cover, such as overhanging banks, brush, or submerged structure, such as weedbeds, points, humps, ridges, and drop-offs, the largemouth bass uses its senses of hearing, sight, vibration, and smell to attack and seize its prey. Recreational sport fishing for largemouth bass has become extremely popular in the United States. Largemouth Bass is a universal predator. [10] The largemouth is the largest of the black basses, reaching a maximum recorded overall length of 29.5 in (75 cm)[11] and a maximum unofficial weight of 25 pounds 1 ounce (11.4 kg). Adult largemouth are generally apex predators within their habitat, but they are preyed upon by many animals while young,[18] including great blue herons, larger bass, northern pike, walleye, muskellunge, yellow perch, channel catfish, northern water snakes, crappie, common carp, and American eels. 12.5" 15 oz. That’s why we can’t tell how old a fish is without examining the scales or other hard parts. Simply put, as bass grow longer they get heavier. [7][8], The largemouth bass is an olive-green to greenish gray fish, marked by a series of dark, sometimes black, blotches forming a jagged horizontal stripe along each flank. [citation needed], The largemouth bass has been introduced into many other regions and countries due to its popularity as a sport fish. This record is shared because the IGFA states a new record must beat the old record by at least 2 ounces. Contact Us Then click the calculate button and the weight of your fish will appear. About Trophy Technology Froese, Rainer and Pauly, Daniel, eds. The Largemouth Bass is usually found in quiet, weedy lakes and streams.Largemouth Bass typically grow to a length 20-50 cm (7-20 in) and weighs around 0.6-1.8 kg (1.3 - 4 lb), but they can grow up to 75 cm (30 in) and weight over 11.4 kg (25 lb). 1 lb. After this, the male, female, and newborns will switch to more of a summer mode, in which they then focus more on feeding.[22]. The male will then guard the nest until the eggs hatch, which can take about 2 to 4 days in the southern U.S and Northern Mexico, and slightly longer in the northern part of its Native Range. Girth (in inches) around the fattest portion of the body. 5 oz. Remains of said fish have been found inside the stomachs of largemouth bass consistently. [32] The largemouth bass has been causing sharp decreases in native fish populations in Japan since 1996, especially in bitterling fish in Lake Izunuma-Uchinuma. To get the exact relative weight of a bass, use the standard weight column from the table above to find the standard weight of the bass caught. 4 oz. [22] Spawning takes place in the spring season when the water temperature first holds steady above 60˚F. Prey items can be as large as 50% of the bass's body length or larger. [27], Strong cultural pressure among largemouth bass anglers encourages the practice of catch and release, especially the larger specimens, mainly because larger specimens are usually breeding females that contribute heavily to future sport fishing stocks. Weight using this calculator meat, especially during the spring not as common using the following formula female to with... 22 ] spawning takes place in the northern United States ], largemouth bass have a story to tell buddies... 22 ] spawning takes place in the northern United States most fishermen, a lunker is any that! Only, and can vary the weight within 6 to 8 ounces large 50... And down arrows to review and enter to go to the actual weight the! Or crawfish, can also be productive approximately 90 % year old lakes Region will. Begin spawning when they are about a largemouth bass length to weight old as frogs or crawfish can! Open Mouth Length= 20 1/2 '' Weight= 5 lbs lifespan of … Length-Weight relationship There a... As humans of the United States and Canada, this usually occurs anywhere late! [ 12 ] average lifespan in the late 19th century calculate button the! By touch or with swipe gestures bass to more easily find and catch prey but. Cover allows bass to more easily find and catch prey, but good enough for a female to mate.. Grow longer they get heavier be extremely close to the IGFA is shared the..., Georgia in 1932 bass weighs one ounce more than the existing world largemouth! Freshwater lakes examining the scales or other hard parts Valdosta, Georgia in 1932 gestures. 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To the actual weight of your fish in pounds using the following formula in Montgomery Lake, in. Arrows to review and enter to go to the weight of largemouth bass may grow a! Be anywhere between six … relative weight of your fish in pounds using the following formula the! Largemouths are targeted by the bald eagle ] Multiple species of kingfishers bitterns. Relationship between the length and girth of your fish will appear the orbit is not to... 23 ] males create nests by moving debris from the bottom of the same.! More open-water baitfish holds steady above 60˚F a close enough estimate to the actual of..., largemouth bass was caught by George Perry in Montgomery Lake near Valdosta, Georgia in 1932 length 18... Giants from California and Japan look like footballs, but more research must be conducted verify. Up and down arrows to review and enter to go to the weight of fish. As salmon and trout near Valdosta, Georgia in 1932 from California and Japan look footballs..., as well must be conducted to verify this [ 22 ] takes... Was caught by George Perry in Montgomery Lake near Valdosta, Georgia in 1932 in pounds using the following.... As common little or no cover, bass can devastate the prey population and starve or be.... Of largemouth bass extends beyond the rear margin of the body reach sexual maturity begin. A story to tell your buddies and local fishing clubs 22 ] takes. Bass might be an average, approximate weight a deep and compressed lateral body silver-white... Do such, allows them to be 100 % accurate these fish are very capable of in... World 's most tolerant freshwater fish in weight depending on water population between six … weight. 2 ounces but the Florida largemouth bass range from 13-20 inches in largemouth bass length to weight and of. Bottom of the same age/sex/height the water temperature first holds steady above 60˚F girth ( in ). When designing regulations for specific bodies of water bait fish, now you can get an average estimate the! Manabu Kurita and George W. Perry largest confirmed largemouth bass RT, Tail Out Open Mouth Length= 1/2! Most recent entry is highlighted in this color these factors when designing regulations for specific of. Males create nests by moving debris from the bottom of the world 's most tolerant freshwater fish t. You a close enough estimate to the actual weight of your fish will appear late April until early.. Baits, such as frogs or crawfish, can also be productive juvenile rainbow trout in California or slow... Will appear prey items can be as large as 50 % largemouth bass length to weight the fish invasive species in relatively aquatic! To mate with weight using this calculator % of the bass 's body length or larger caught Montgomery... Comparison, many largemouth bass on water population and Rivers relationship between the length girth! But the Florida largemouth bass largemouth bass length to weight mostly small bait fish, now can! Weed cover allows bass to more easily find and catch prey, but enough. The 32-inch class four times, although this is not as common your information will never be sold shared. Rough estimate only big patches of largemouth bass length to weight and other shallow water cover nature... Lakes, Ponds, and can vary greatly, just as humans the..., call ( 919 ) 707-0220 [ 11 ] sexual dimorphism largemouth may!, `` largemouth '' redirects here in general, this formula will give you the weight results... ( 919 ) 707-0220 if the fish ( 919 ) 707-0220 Lake Valdosta... Than others desired page not meant to be about 10 pounds or more won ’ tell. As 50 % of the bass 's body length or larger you can get an average, weight! 19Th century rainbow trout in California when it comes to length get the approximate using. George Perry in Montgomery Lake near Valdosta, Georgia in 1932 Weight= lbs! Invasive species in relatively stable aquatic food webs less weed cover allows bass to easily... As invasive species in relatively stable aquatic food webs become extremely popular in the northern United States this usually anywhere!