List of freshwater fishes of Maryland

This is a list of freshwater fish living wild in the US state of Maryland.

Bowfin (Amiidae)

 * Bowfin (Amia calva)

Catfishes (Ictaluridae)

 * White catfish (Ameiurus catus)
 * Yellow bullhead (Ameiurus natalis)
 * Brown bullhead (Ameiurus nebulosus)
 * Blue catfish (Ictalurus furcatus)
 * Channel catfish (Ictalurus punctatus)
 * Stonecat (Noturus flavus)
 * Tadpole madtom (Noturus gyrinus)
 * Margined madtom (Noturus insignis)
 * Flathead catfish (Pylodictis olivaris)

Eels (Anguillidae)

 * American eel (Anguilla rostrata)

Gars (Lepisosteidae)

 * Longnose gar (Lepisosteus osseus)

Herrings (Clupeidae)

 * Blueback herring (Alosa aestivalis)
 * Hickory shad (Alosa mediocris)
 * Alewife (Alosa pseudoharengus)
 * American shad (Alosa sapidissima)
 * Gizzard shad (Dorosoma cepedianum)
 * Threadfin shad (Dorosoma petenense)

Killifishes (Fundulidae)

 * Banded killifish (Fundulus diaphanus)
 * Mummichog (Fundulus heteroclitus)
 * Spotfin killifish (Fundulus luciae)
 * Striped killifish (Fundulus majalis)
 * Rainwater killifish (Lucania parva)

Lampreys (Petromyzontidae)

 * Least brook lamprey (Lampetra aepyptera)
 * American brook lamprey (Lampetra appendix)
 * Sea lamprey (Petromyzon marinus)

Lotids (Lotidae)

 * Burbot (Lota lota)

Minnows (Cyprinidae)

 * Central stoneroller (Campostoma anomalum)
 * Goldfish (Carassius auratus) (introduced)
 * Koi (Cyprinus rubrofuscus) (introduced)
 * Redside dace (Clinostomus elongatus)
 * Rosyside dace (Clinostomus funduloides)
 * Grass carp (Ctenopharyngodon idella)
 * Satinfin shiner (Cyprinella analostana)
 * Spotfin shiner (Cyprinella spiloptera)
 * Common carp (Cyprinus carpio)
 * Cutlips minnow (Exoglossum maxillingua)
 * Eastern silvery minnow (Hybognathus regius)
 * Striped shiner (Luxilus chrysocephalus)
 * Common shiner (Luxilus cornutus)
 * Allegheny pearl dace (Margariscus margarita)
 * River chub (Nocomis micropogon)
 * Golden shiner (Notemigonus crysoleucas)
 * Comely shiner (Notropis amoenus)
 * Emerald shiner (Notropis atherinoides)
 * Bridle shiner (Notropis bifrenatus)
 * Silverjaw minnow (Notropis buccatus)
 * Ironcolor shiner (Notropis chalybaeus)
 * Spottail shiner (Notropis hudsonius)
 * Swallowtail shiner (Notropis procne)
 * Rosyface shiner (Notropis rubellus)
 * Cheat minnow (Pararhinichthys bowersi)
 * Bluntnose minnow (Pimephales notatus)
 * Fathead minnow (Pimephales promelas)
 * Eastern blacknose dace (Rhinichthys atratulus)
 * Longnose dace (Rhinichthys cataractae)
 * Common rudd (Scardinius erythropthalmus) (introduced)
 * Creek chub (Semotilus atromaculatus)
 * Fallfish (Semotilus corporalis)
 * Tench (Tinca tinca) (introduced)

Mudminnows (Umbridae)

 * Eastern mudminnow (Umbra pygmaea)

Perches (Percidae)

 * Greenside darter (Etheostoma blennioides)
 * Rainbow darter (Etheostoma caeruleum)
 * Fantail darter (Etheostoma flabellare)
 * Swamp darter (Etheostoma fusiforme)
 * Johnny darter (Etheostoma nigrum)
 * Tessellated darter (Etheostoma olmstedi)
 * Maryland darter (Etheostoma sellare)
 * Glassy darter (Etheostoma vitreum)
 * Banded darter (Etheostoma zonale)
 * Yellow perch (Perca flavescens)
 * Common logperch (Percina caprodes)
 * Stripeback darter (Percina notogramma)
 * Shield darter (Percina peltata)
 * Walleye (Sander vitreum) (introduced)

Percopsids (Percopsidae)

 * Trout-perch (Percopsis omiscomaycus)

Pikes (Esocidae)

 * Redfin pickerel (Esox americanus)
 * Northern pike (Esox lucius)
 * Muskellunge (Esox masquinongy)
 * Tiger muskellunge (Esox masquinongy X Esox lucius)
 * Chain pickerel (Esox niger)

Pirate perch (Aphredoderidae)

 * Pirate perch (Aphredoderus sayanus)

Poeciliids (Poeciliidae)

 * Eastern mosquitofish (Gambusia holbrooki)

Pupfish (Cyprinodontidae)

 * Sheepshead minnow (Cyprinodon variegatus)

Sculpins (Cottidae)

 * Mottled sculpin (Cottus bairdii)
 * Blue Ridge sculpin (Cottus caeruleomentum)

Silversides (Atherinopsidae)

 * Rough silverside (Membras martinica)
 * Inland silverside (Menidia beryllina)
 * Atlantic silverside (Menidia menidia)

Smelts (Osmeridae)

 * Rainbow smelt (Osmerus mordax)

Snakeheads (Channidae)

 * Northern snakehead (introduced)

Sticklebacks (Gasterosteidae)

 * Fourspine stickleback (Apeltes quadracus)
 * Brook stickleback (Culaea inconstans)
 * Threespine stickleback (Gasterosteus aculeatus)

Sturgeons (Acipenseridae)

 * Shortnose sturgeon (Acipenser brevirostrum)
 * Atlantic sturgeon (Acipenser oxyrhinchus)

Suckers (Catostomidae)

 * Quillback (Carpiodes cyprinus)
 * Longnose sucker (Catostomus catostomus)
 * White sucker (Catostomus commersoni)
 * Creek chubsucker (Erimyzon oblongus)
 * Northern hogsucker (Hypentelium nigricans)
 * Golden redhorse (Moxostoma erythrurum)
 * Shorthead redhorse (Moxostoma macrolepidotum)

Sunfishes (Centrarchidae)

 * Mud sunfish (Acantharcus pomotis)
 * Rock bass (Amblopites rupestris)
 * Flier (Centrarchus macropterus)
 * Blackbanded sunfish (Enneacanthus chaetodon)
 * Bluespotted sunfish (Enneacanthus gloriosus)
 * Banded sunfish (Enneacanthus obesus)
 * Redbreast sunfish (Lepomis auritus)
 * Green sunfish (Lepomis cyanellus)
 * Pumpkinseed (Lepomis gibbosus)
 * Pumpkingill (Lepomis gibbosus x macrochirus)
 * Warmouth (Lepomis gulosus)
 * Bluegill (Lepomis macrochirus)
 * Greengill sunfish (Lepomis macrochirus x cyanellus)
 * Longear sunfish (Lepomis megalotis)
 * Redear sunfish (Lepomis microlophus)
 * Smallmouth bass (Micropterus dolomieu)
 * Largemouth bass (Micropterus salmoides)
 * White crappie (Pomoxis annularis)
 * Black crappie (Pomoxis nigromaculatus)

Temperate basses (Moronidae)

 * White perch (Morone americana)
 * Striped bass (Morone saxatilis)

Trout and whitefish (Salmonidae)

 * Cutthroat trout (Oncorhynchus clarki)
 * Rainbow trout (Oncorhynchus mykiss)
 * Brown trout (Salmo trutta)
 * Brook trout (Salvelinus fontinalis)
 * Lake trout (Salvelinus namaycush)
 * Lake herring (Coregonus artedi)