Animalia > Chordata > Actinopterygii > Perciformes > Centrarchidae > Micropterus > Micropterus salmoides

Micropterus salmoides (Northern largemouth bass; Largemouth black bass; Large-mouth bass; Largemouth bass; Largemouth; Green bass; Black bass; Bass; American black bass)

Synonyms: Aplites salmoides; Grystes megastoma; Grystes nigricans; Grystes salmoides; Huro nigricans; Huro salmoides; Labrus salmoides; Perca nigricans
Language: Afrikaans; Cantonese; Czech; Danish; Dutch; Finnish; French; German; Hungarian; Italian; Japanese; Korean; Mandarin Chinese; Norwegian; Persian; Polish; Portuguese; Romanian; Russian; Slovak; Spanish; Swedish; Venda

Wikipedia Abstract

The largemouth bass (Micropterus salmoides) is a freshwater gamefish in the sunfish family, a species of black bass native to North America. It is also known by a variety of regional names, such as the brown bass, widemouth bass, bigmouth, black bass, bucketmouth, Potter's fish, Florida bass, Florida largemouth, green bass, green trout, gilsdorf bass, linesides, Oswego bass, southern largemouth and (paradoxically) northern largemouth.
View Wikipedia Record: Micropterus salmoides

Invasive Species

Micropterus salmoides (bass) has been widely introduced throughout the world due to its appeal as a sport fish and for its tasty flesh. In some places introduced Micropterus salmoides have affected populations of small native fish through predation, sometimes resulting in the their decline or extinction. Its diet includes fish, crayfish, amphibians and insects.
View ISSG Record: Micropterus salmoides


Adult Weight [3]  12.19 lbs (5.53 kg)
Female Maturity [2]  4 years 6 months
Male Maturity [3]  3 years 6 months
Adult Length [2]  38 inches (97 cm)
Brood Dispersal [2]  In a nest
Brood Egg Substrate [2]  Polyphils
Brood Guarder [2]  Yes
Diet [1]  Carnivore
Litter Size [2]  109,314
Maximum Longevity [2]  23 years
Nocturnal [1]  Yes
Water Biome [1]  Lakes and Ponds, Rivers and Streams

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Amistad National Recreation Area   Texas, United States
Bighorn Canyon National Recreation Area V 36286 Montana, Wyoming, United States
Bruce Peninsula National Park II   Ontario, Canada
Buffalo National River National River and Wild and Scenic Riverway V 59947 Arkansas, United States
Canaveral National Seashore II 9090 Florida, United States
Canyonlands National Park II 335430 Utah, United States
Carl Sandburg Home National Hist. Site National Historic Site III 271 North Carolina, United States
Carolinian-South Atlantic Biosphere Reserve 310228 North Carolina, South Carolina, Georgia, United States      
Central Gulf Coastal Plain Biosphere Reserve 40530 United States  
Champlain-Adirondack Biosphere Reserve 9859505 New York, Vermont, United States  
Chickasaw National Recreation Area V 7025 Oklahoma, United States
Ciénaga de Zapata National Park 1606900 Cuba  
Colonial National Historic Park National Historical Park V 9316 Virginia, United States
Congaree Swamp National Park II 6095 South Carolina, United States
Cosumnes River Preserve Nature Conservancy - Preserve Ia 2138 California, United States
Cumberland Island National Seashore II 20629 Georgia, United States
DOÑANA 281453 Spain  
Fathom Five National Marine Park II   Ontario, Canada
Florida Keys National Marine Sanctuary IV 2387149 Florida, United States
Fort Necessity National Battlefield III 1019 Pennsylvania, United States
George WA Carver National Monument V 210 Missouri, United States
George Washington Memorial Parkway V   Virginia, United States
Georgian Bay Islands National Park II   Ontario, Canada
Gettysburg National Military Park V 3560 Pennsylvania, United States
Great Smoky Mountains National Park II 515454 North Carolina, Tennessee, United States
Great Swamp National Wildlife Refuge VI 3161 New Jersey, United States
Harpers Ferry National Historical Park VI 715 West Virginia, United States
Hopewell Furnace National Historic Site III 861 Pennsylvania, United States
Horseshoe Bend National Military Park V 1926 Alabama, United States
Indiana Dunes National Lakeshore II 8272 Indiana, United States
Jean Lafitte National Hist. Park & Preserve National Historical Park II 17686 Louisiana, United States
Kiskunsag Biosphere Reserve II 54598 Hungary  
Kogelberg Biosphere Reserve II 256073 Western Cape, South Africa  
Lacassine National Wildlife Refuge VI 28351 Louisiana, United States
Lake Meredith National Recreation Area V   Texas, United States
Land Between the Lakes Biosphere Reserve V 166264 Kentucky, Tennessee, United States
Little River National Wildlife Refuge   Oklahoma, United States
Luberon Regional Nature Park V 406572 France  
Mammoth Cave Area Biosphere Reserve (Natn'l Park) National Park II 51235 Kentucky, United States
Manassas National Battlefield Park III 5132 Virginia, United States
New Jersey Pinelands Biosphere Reserve   New Jersey, United States  
New River Gorge National River National River and Wild and Scenic Riverway V 55591 West Virginia, United States
Niagara Escarpment Biosphere Reserve 470167 Ontario, Canada  
Nipomo Dunes Preserve Nature Conservancy - Preserve Ia 3725 California, United States
North Temperate Lakes LTER Site Long Term Ecological Research   Wisconsin, United States
Oak Ridge National Environmental Research Park 20001 Tennessee, United States
Obed Wild and Scenic River National River and Wild and Scenic Riverway V 5268 Tennessee, United States
Okefenokee National Wildlife Refuge IV 38256 Florida, United States
Paul do Boquilobo Biosphere Reserve Nature Reserve IV 1352 Portugal  
Point Pelee National Park II 5764 Ontario, Canada
Reserva de la Biosfera de Doñana Biosphere Reserve II 123801 Spain
Roosevelt Vanderbilt National Historic Site   New York, United States      
Saint Croix International Historic Site   Maine, United States
Saint Lawrence Islands National Park II   Ontario, Canada
Shiga Highland Biosphere Reserve 32124 Honshu, Japan  
Southern Appalachian Biosphere Reserve 37548505 North Carolina, Tennessee, United States  
Upper Miss. River Nat'l Wildlife Refuge National Wildlife Refuge VI 25823 Illinois, Iowa, Wisconsin, United States
Valley Forge National Historical Park VI 3509 Pennsylvania, United States
Voyageurs National Park II 177960 Minnesota, United States
Whiskey-Shasta-Trinity National Recreation Area V 197791 California, United States
Wilson's Creek National Battlefield V   Missouri, United States


Emblem of


Prey / Diet

Ameiurus natalis (Yellow bullhead)[4]
Anax junius (green darner)[4]
Anguilla rostrata (American eel)[4]
Apis mellifera (honey bee)[4]
Aquarius remigis (Common water strider)[4]
Bombus fervidus (Golden northern bumble bee)[4]
Calopteryx maculata (Ebony jewelwing)[4]
Chelydra serpentina (Common Snapping Turtle)[4]
Corydalus cornutus (dobsonfly)[4]
Cyprinus carpio (Common carp)[4]
Daphnia ambigua (Water flea)[4]
Dolomedes triton (Six-spottedfishingspider)[4]
Etheostoma olmstedi (Tessellated darter)[4]
Hyalella azteca (Scud)[4]
Ictalurus punctatus (Channel catfish)[4]
Ischnura posita (Fragile forktail)[4]
Libellula lydia (Common whitetail)[4]
Limnodrilus hoffmeisteri (Aquatic worm)[4]
Lithobates catesbeianus (American Bullfrog)[4]
Lithobates pipiens (Northern Leopard Frog)[5]
Lithobates sphenocephalus sphenocephalus (Florida Leopard Frog)[4]
Lithobates sylvaticus (Wood Frog)[4]
Macrobdella decora (Freshwater leech)[4]
Macrocyclops albidus (Copepod)[4]
Notemigonus crysoleucas (Golden shiner minnow)[4]
Notophthalmus viridescens (Eastern Newt)[4]
Pomoxis nigromaculatus (Strawberry bass)[4]
Pseudacris cadaverina (California Treefrog)[5]
Semotilus atromaculatus (Horned dace)[4]

Prey / Diet Overlap

Competing SpeciesCommon Prey Count
Agelaius phoeniceus (Red-winged Blackbird)3
Agkistrodon contortrix (Southern Copperhead)2
Agkistrodon piscivorus (conanti)1
Aix sponsa (Wood Duck)4
Alauda arvensis (Sky Lark)1
Ambystoma maculatum (Spotted Salamander)3
Ameiurus melas (Black bullhead)1
Ameiurus natalis (Yellow bullhead)6
Anas platyrhynchos (Mallard)9
Anaxyrus americanus americanus (Eastern American Toad)5
Anguilla rostrata (American eel)6
Anthus pratensis (Meadow Pipit)1
Anthus trivialis (Tree Pipit)1
Apus apus (Common Swift)1
Archilochus colubris (Ruby-throated Hummingbird)2
Archoplites interruptus (Sacramento perch)1
Ardea herodias (Great Blue Heron)5
Aythya affinis (Lesser Scaup)1
Buteo jamaicensis (Red-tailed Hawk)3
Charadrius vociferus (Killdeer)3
Chelydra serpentina (Common Snapping Turtle)9
Corvus corone (Carrion Crow)1
Cryptotis parva (North American Least Shrew)2
Cyanocitta cristata (Blue Jay)1
Cyprinus carpio (Common carp)4
Didelphis virginiana (Virginia Opossum)3
Eptesicus fuscus (big brown bat)2
Erithacus rubecula (European Robin)1
Etheostoma olmstedi (Tessellated darter)4
Gambusia holbrooki (Bore-drain fish)7
Geothlypis trichas (Common Yellowthroat)2
Haliaeetus leucocephalus (Bald Eagle)1
Heterodon platirhinos (Eastern Hognose Snake)2
Hypentelium nigricans (Northern hog sucker)7
Ictalurus punctatus (Channel catfish)11
Lanius collurio (Red-backed Shrike)1
Larus delawarensis (Ring-billed Gull)3
Lithobates catesbeianus (American Bullfrog)11
Lithobates sphenocephalus sphenocephalus (Florida Leopard Frog)7
Locustella naevia (Common Grasshopper Warbler)1
Megaceryle alcyon (Belted Kingfisher)4
Mephitis mephitis (Striped Skunk)2
Mimus polyglottos (Northern Mockingbird)1
Myiarchus crinitus (Great Crested Flycatcher)3
Neoitamus socius1
Nerodia sipedon (Northern Water Snake)4
Notemigonus crysoleucas (Golden shiner minnow)6
Notophthalmus viridescens (Eastern Newt)8
Nucifraga caryocatactes (Spotted Nutcracker)1
Ondatra zibethicus (muskrat)1
Perca flavescens (Yellow perch)1
Phalacrocorax auritus (Double-crested Cormorant)4
Phoenicurus ochruros (Black Redstart)1
Phoenicurus phoenicurus (Common Redstart)1
Poecile carolinensis (Carolina Chickadee)1
Pomoxis nigromaculatus (Strawberry bass)11
Procyon lotor (Raccoon)4
Pseudacris crucifer (Spring Peeper)4
Quiscalus quiscula (Common Grackle)1
Scalopus aquaticus (Eastern Mole)1
Semotilus atromaculatus (Horned dace)8
Strix varia (Barred Owl)5
Sturnus vulgaris (European Starling)1
Sylvia communis (Common Whitethroat)1
Sylvia curruca (Lesser Whitethroat)1
Thamnophis sirtalis (Common Garter Snake)3
Thymallus arcticus (Arctic grayling)1
Turdus migratorius (American Robin)1


Anguilla rostrata (American eel)[4]
Aonyx capensis (African Clawless Otter)[6]
Ardea herodias (Great Blue Heron)[4]
Cathartes aura (Turkey Vulture)[4]
Chelydra serpentina (Common Snapping Turtle)[4]
Hydrictis maculicollis (Spotted-necked Otter)[7]
Larus delawarensis (Ring-billed Gull)[4]
Nerodia sipedon (Northern Water Snake)[4]
Phalacrocorax auritus (Double-crested Cormorant)[4]


Hydrilla verticillata (waterthyme)[4]
Lemna minor (common duckweed)[4]
Peltandra virginica (green arrow arum)[4]
Phragmites australis (common reed)[4]
Platanus mexicana (American sycamore)[4]
Pontederia cordata (Pickerel Weed)[4]
Potamogeton lucens (long-leaf pondweed)[4]
Salix nigra (black willow)[4]
Saururus cernuus (lizard's tail)[4]
Scirpus cyperinus (Woolly Grass Bulrush)[4]
Typha latifolia (Reedmace)[4]


Parasitized by 
Acanthocephalus dirus[8]
Acolpenteron ureteroecetes[8]
Actinocleidus fergusoni <Unverified Name>[8]
Actinocleidus fusiformis <Unverified Name>[8]
Alloglossidium corti[8]
Alloglossidium kenti <Unverified Name>[8]
Amphimerus elongatus <Unverified Name>[8]
Arhythmorhynchus brevis[8]
Azygia angusticauda[8]
Bothriocephalus acheilognathi[8]
Bothriocephalus claviceps[8]
Bothriocephalus cuspidatus[8]
Bothriocephalus formosus <Unverified Name>[8]
Bunodera luciopercae[8]
Caecincola latostoma[8]
Caecincola parvulus <Unverified Name>[8]
Camallanus oxycephalus <Unverified Name>[8]
Clavunculus bursatus <Unverified Name>[8]
Clinostomum complanatum <Unverified Name>[8]
Clinostomum marginatum[8]
Contracaecum spiculigerum[8]
Crepidostomum cooperi[8]
Crepidostomum cornutum[8]
Cryptogonimus chyli[8]
Diplostomulum metacercaria <Unverified Name>[8]
Diplostomum spathaceum[8]
Echinochasmus donaldsoni <Unverified Name>[8]
Echinorhynchus salmonis[8]
Eustrongylides ignotus <Unverified Name>[8]
Genarchopsis goppo <Unverified Name>[8]
Gnathostoma nipponicum <Unverified Name>[8]
Goezia sinamora <Unverified Name>[8]
Goezia spinulosa <Unverified Name>[8]
Gyrodactylus macrochiri <Unverified Name>[8]
Haplocleidus dispar[8]
Haplocleidus furcatus <Unverified Name>[8]
Homalometron armatum[8]
Huffmanela huffmani <Unverified Name>[8]
Leptorhynchoides thecatus[8]
Leuceruthrus micropteri[8]
Microphallus opacus[8]
Neoechinorhynchus cylindratus[8]
Neoechinorhynchus prolixoides[8]
Onchocleidus dispar <Unverified Name>[8]
Onchocleidus furcatus <Unverified Name>[8]
Onchocleidus helicis <Unverified Name>[8]
Onchocleidus principalis <Unverified Name>[8]
Phyllodistomum lohrenzi <Unverified Name>[8]
Pisciamphistoma stunkardi[8]
Polyacanthorhynchus kenyensis[8]
Pomphorhynchus bulbocolli[8]
Pomphorhynchus lucyi[8]
Pomphorhynchus rocci[8]
Posthodiplostomum minimum[8]
Prohemistomum chandleri <Unverified Name>[8]
Proteocephalus ambloplitis <Unverified Name>[8]
Proteocephalus fluviatilis <Unverified Name>[8]
Proteocephalus pearsei <Unverified Name>[8]
Proterometra macrostoma[8]
Rhabdochona lichtenfelsi <Unverified Name>[8]
Rhabdochona milleri[8]
Spinitectus carolini <Unverified Name>[8]
Spinitectus micracanthus <Unverified Name>[8]
Spiroxys contorta <Unverified Name>[8]
Syncleithrium fusiformis[8]
Textrema hopkinsi[8]
Thometrema lotzi[8]
Tylodelphys scheuringi <Unverified Name>[8]
Urocleidus principalis <Unverified Name>[8]

Institutions (Zoos, etc.)

Institution Infraspecies / Breed 
Audubon Zoo
BREC's Baton Rouge Zoo
Buttonwood Park Zoo
Caldwell Zoo
Cameron Park Zoo
Chicago Zoological Park
Cincinnati Zoo & Botanical Garden
Dakota Zoo
ECHO Lake Aquarium & Science Center
Florida Aquarium
Jackson Zoological Park
John G. Shedd Aquarium
Louisville Zoological Garden
Milwaukee County Zoological Gardens
Minnesota Zoological Garden
Museum de Besanconsalmoides
Nat'l Mississippi River Museum & Aquar
Nat'l Zoological Gardens of S. Africa
Oklahoma City Zoological Park
Omaha's Henry Doorly Zoo
Osaka Municipal Tennoji Zool. Gdns.
Pittsburgh Zoo & PPG Aquarium
Rosamond Gifford Zoo at Burnet Park
San Antonio Zoological Gardens & Aquar
Steinhart Aquarium (CA Acad of Science
Vancouver Aquarium Marine Science Ctr
Virginia Aquarium&Marine Science Ctr
Wonders of Wildlife Museum

Range Map

Africa-Inland Waters; Algeria; America, North - Inland waters; America, South - Inland waters; Argentina; Asia - Inland waters; Australian; Austria; Belarus; Belgium; Bolivia; Botswana; Brazil; Cameroon; Canada; China; Colombia; Colorado; Costa Rica; Cuba; Cyprus; Czech Republic; Danube; Denmark; Dominican Republic; Egypt; El Salvador; Estonia; Ethiopian; Europe - Inland waters; Fiji Islands; Finland; Former USSR - Inland waters; France; Germany, Fed. Rep.; Great Lake; Guam; Guatemala; Han; Hawaii (USA); Honduras; Hong Kong; Hungary; Iran (Islamic Rep. of); Italy; Japan; Kariba; Kenya; Korea, Dem. People's Rep; Korea, Republic of; Kum; Lake Biwa; Lake Lanao; Lake Victoria; Lake Waccamaw; Latvia; Lesotho; Lithuania; Loire; Madagascar; Malawi; Malaysia; Mauritius; Mexico; Mississippi; Missouri; Morocco; Nakdong; Namibia; Nearctic; Neotropical; Netherlands; New Caledonia; North America: St. Lawrence - Great Lakes, Hudson Bay (Red River), and Mississippi River basins; Atlantic drainages from North Carolina to Florida and to northern Mexico. The species has been introduced widely as a game fish and is now cosmopolitan. Se; North America: St. Lawrence - Great Lakes, Hudson Bay (Red River), and Mississippi River basins; Atlantic drainages from North Carolina to Florida and to northern Mexico. The species has been introduced widely as a game fish and is now cosmopolitan. Several countries report adverse ecological impact after introduction.; Norway; Oceania - Inland waters; Oriental; Palearctic; Panama; Philippines; Poland; Portugal; Puerto Rico; Rio Grande; Russian Federation; Serbia and Montenegro; Slovakia; South Africa; Spain; St. Lawrence; Swaziland; Sweden; Switzerland; Taiwan; Tanzania, United Rep. of; Tigris; Tunisia; US Virgin Islands; USA (contiguous states); Ukraine; United Kingdom; Volga; Zambezi; Zambia; Zimbabwe;



Species recognized by , 2014-05-19, FishBase in Catalog of Life 2011
Attributes / relations provided by 1Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 01, 2010 at 2Frimpong, E.A., and P. L. Angermeier. 2009. FishTraits: a database of ecological and life-history traits of freshwater fishes of the United States. Fisheries 34:487-495. 3de Magalhaes, J. P., and Costa, J. (2009) A database of vertebrate longevity records and their relation to other life-history traits. Journal of Evolutionary Biology 22(8):1770-1774 4Study of Northern Virginia Ecology 5Anurans as prey: an exploratory analysis and size relationships between predators and their prey, L. F. Toledo, R. S. Ribeiro & C. F. B. Haddad, Journal of Zoology 271 (2007) 170–177 6Aonyx capensis, Serge Larivière, MAMMALIAN SPECIES No. 671, pp. 1–6 (2001) 7Lutra maculicollis, Serge Larivière, MAMMALIAN SPECIES No. 712, pp. 1–6 (2002) 8Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
Invasive Status provided by Global Invasive Species Database Downloaded on 10 May 2011.
Protected Areas provided by Biological Inventories of the World's Protected Areas in cooperation between the Information Center for the Environment at the University of California, Davis and numerous collaborators. Natura 2000, UK data: © Crown copyright and database right [2010] All rights reserved. Ordnance Survey Licence number 100017955
Images provided by Google Image Search
Abstract provided by DBpedia licensed under a Creative Commons License
Range map provided by NatureServe. 2010. Digital Distribution Maps of the Freshwater Fishes in the Conterminous United States. Version 3.0. Arlington, VA. U.S.A.
Weather provided by NOAA METAR Data Access
Institution information provided by International Species Information System - May 2011