Potomac River

Operational Little Falls Dam (Potomac River) aka Brookmont Dam (at C&O Canal milepost 5.6, upstream of Chain Bridge) Potomac Aqueduct Dam (at C&O Canal milepost 17.5, upstream of Great Falls) C&O Feeder Dam No. 4 (at C&O Canal milepost 84, downstream of Williamsport, MD) Honeywood Dam aka C&O Feeder Dam No. 5 (at C&O Canal milepost 106, upstream of Williamsport, MD) Cumberland Dam aka Feeder Dam No. 8 (on North Branch of Potomac River, 40 miles downstream of Fairfax Stone) Jennings Randolph Dam (on North Branch of the Potomac River, 27 miles downstream of Fairfax Stone) Non-Operational C&O Feeder Dam No. 1 (C&O Canal milepost 5.6, upstream of Chain Bridge near Lock 6; associated with Little Falls Skirting Canal ) Seneca Dam aka C&O Feeder Dam No. 2 (at C&O Canal milepost 22, near Violette's Lock) Armory Dam aka C&O Feeder Dam No. 3 (at C&O Canal milepost 62, upstream of Harpers Ferry, WV) C&O Feeder Dam No. 6 Archived August 31, 2020, at the Wayback Machine (at C&O Canal milepost 134, west of Hancock, MD) Planned, but never built C&O Feeder Dam No. 7 and Guard Lock No. 7 were proposed to be located near milepost 164, close to the mouth of the South Branch of the Potomac, but were never built due to financial considerations.

Kitzmiller

Hancock

Williamsport

Shepherdstown

Harpers Ferry

Point of Rocks

Little Falls

Georgetown

Source: National Weather Service

Bowfin (Amiidae) Bowfin Amia calva Catfishes (Ictaluridae) White bullhead catfish Ameiurus catus Yellow bullhead catfish Ameiurus natalis Brown bullhead catfish Ameiurus nebulosus Channel catfish Ictalurus punctatus Tadpole madtom Noturus gyrinus Margined madtom Noturus insignis Blue catfish*Ictalurus furcatus* 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 killifish Fundulus heteroclitus Spotfin killifish Fundulus luciae Striped killifish Fundulus majalis Rainwater killifish Lucania parva Pupfish (Cyprinodontidae) Sheepshead minnow Cyprinodon variegatus Lampreys (Petromyzontidae) Least brook lamprey Lampetra aepyptera American brook lamprey Lampetra appendix Sea lamprey Petromyzon marinus Minnows (Cyprinidae) Central stoneroller Campostoma anomalum Goldfish Carassius auratus 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 Bluntnose minnow Pimephales notatus Fathead minnow Pimephales promelas Eastern blacknose dace Rhinichthys atratulus Longnose dace Rhinichthys cataractae Creek chub Semotilus atromaculatus Fallfish Semotilus corporalis Bluehead chub Nocomis leptocephalus Mimic shiner Notropis volucellus 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 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 Percopsids (Percopsidae) Trout-perch Percopsis omiscomaycus Pikes (Esocidae) Redfin pickerel Esox americanus Northern pike Esox lucius Muskellunge Esox masquinongy Chain pickerel Esox niger Pirate perch (Aphredoderidae) Pirate perch Aphredoderus sayanus Poeciliids (Poeciliidae) Eastern mosquitofish Gambusia holbrooki Guppy Poecilia reticulata Pupfish (Cyprinodontidae) Sheepshead minnow Cyprinodon variegatus Sculpins (Cottidae) Mottled sculpin Cottus bairdii Blue Ridge sculpin Cottus caeruleomentum Potomac sculpin Cottus girardi Silversides (Atherinopsidae) Inland silverside Menidia beryllina Smelts (Osmeridae) Rainbow smelt Osmerus mordax Snakeheads (Channidae) Northern snakehead*Channa argus* Sturgeons (Acipenseridae) Shortnose sturgeon Acipenser brevirostrum Atlantic sturgeon Acipenser oxyrhinchus Suckers (Catostomidae) Quillback Carpiodes cyprinus White sucker Catostomus commersoni Creek chubsucker Erimyzon oblongus Northern hogsucker Hypentelium nigricans Golden redhorse Moxostoma erythrurum Shorthead redhorse Moxostoma macrolepidotum Torrent sucker Thoburnia rhothoeca Sunfishes (Centrarchidae) Mud sunfish Acantharcus pomotis Rock bass Amblopites rupestris Flier sunfish Centrarchus macropterus Blackbanded sunfish Enneacanthus chaetodon Bluespotted sunfish Enneacanthus gloriosus Banded sunfish Enneacanthus obesus Redbreast sunfish Lepomis auritus Green sunfish Lepomis cyanellus Pumpkinseed sunfish Lepomis gibbosus Warmouth sunfish Lepomis gulosus Bluegill sunfish Lepomis macrochirus 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) Rainbow trout (Oncorhynchus mykiss) Brown trout (Salmo trutta)   *denotes naturalized species; Sources: Dnr.state.md: Fish key of native species http://www.potomacriver.org/wp-content/uploads/2014/11/MasterFreshFishList0213.pdf

Mullets (Mugilidae) Striped mullet Mugil cephalus Drums (Sciaenidae) Spot Leiostomus xanthurus Spotted seatrout Cynoscion nebulosus Atlantic Croaker Micropogonias undulatus Red drum Sciaenops ocellata Soles (Soleidae) Hogchoker Trinectes maculatus Sharks (Carcharhinidae) Bull shark Carcharhinus leucas Sources: Dnr.state.md: Fish key of native species http://www.potomacriver.org/wp-content/uploads/2014/11/MasterFreshFishList0213.pdf

Bats Little brown bat Myotis lucifugus Indiana bat Myotis sodalis Eastern small-footed bat Myotis leibii Northern long-eared bat Myotis septentrionalis Silver-haired bat Lasionycteris noctivagans Tricolored bat Perimyotis subflavus Big brown bat Eptesicus fuscus Red bat Lasiurus borealis Hoary bat Lasiurus cinereus Evening bat Nycticeius humeralis Bears American black bear Ursus americanus Beavers American beaver Castor canadensis Cats Bobcat Lynx rufus Cougar, Puma concolor extirpated Eastern cougar, P. c. couguar extinct Canids Red fox Vulpes vulpes Gray fox Urocyon cinereoargenteus Coyote Canis latrans Gray wolf Canis lupus extirpated Red wolf Canis rufus extirpated Ungulates Sika deer*Cervus nippon * Elk Cervus canadensis reintroduced Eastern elk C. c. canadensis extinct Rocky Mountain elk C. c. canadensis introduced White-tailed deer Odocoileus virginianus American bison Bison bison extirpated Jumping mice Meadow jumping mouse Zapus hudsonius Woodland jumping mouse Napaeozapus insignis Lemmings Southern bog lemming Synaptomys cooperi Marine Mammals Bottlenose dolphin Tursiops truncatus Moles Hairy-tailed mole Parascalops breweri Eastern mole Scalopus aquaticus Southeastern star-nosed mole Condylura cristata parva Muskrats Muskrat Ondatra zibethicus New World Mice and Rats Marsh rice rat Oryzomys palustris Deer mouse Peromyscus maniculatus White-footed deer mouse Peromyscus leucopus Allegheny woodrat Neotoma magister Nutria Nutria*Myocastor coypus* Old World mice and rats Black rat*Rattus rattus* Norway rat*Rattus norvegicus* House mouse*Mus musculus* Opossums Virginia opossum Didelphis virginiana Porcupines Porcupine Erethizon dorsatum Rabbits and Hares Eastern cottontail Sylvilagus floridanus Appalachian cottontail Sylvilagus obscurus Raccoons Raccoon Procyon lotor Shrews Masked shrew Sorex cinereus Southeastern shrew Sorex longirostris Southern water shrew Sorex palustris punctulatus Smoky shrew Sorex fumeus Long-tailed shrew Sorex dispar Southern pygmy shrew Sorex hoyi winnemana Northern short-tailed shrew Blarina brevicauda Least shrew Cryptotis parva Skunks Eastern spotted skunk Spilogale putorius Striped skunk Mephitis mephitis Squirrels and chipmunks Eastern chipmunk Tamias striatus Groundhog (aka Woodchuck) Marmota monax Eastern gray squirrel Sciurus carolinensis Eastern fox squirrel Sciurus niger Delmarva fox squirrel S. n. cinereus Red squirrel Tamiasciurus hudsonicus Southern flying squirrel Glaucomys volans Voles Southern red-backed vole Clethrionomys gapperi Meadow vole Microtus pennsylvanicus Southern rock vole Microtus chrotorrhinus carolinensis Woodland vole Microtus pinetorum Mustelids Fisher Pekania pennanti Least weasel Mustela nivalis American ermine Mustela richardsonii Long-tailed weasel Neogale frenata American mink Neogale vison Northern river otter Lontra canadensis   *denotes introduced species Sources: Mammals of Maryland; Maryland Department of Natural Resources. Retrieved February 8, 2018.] Wildlife Information; Virginia Department of Wildlife Resources. Retrieved July 4, 2020. Mammals of West Virginia: A Field Checklist (2001); West Virginia Division of Natural Resources, Wildlife Resources Section. Retrieved February 8, 2018.]

Bog (=Muhlenberg) turtle Glyptemys (=Clemmys) muhlenbergii Chinese softshell turtle *Pelodiscus sinensis * Coastal plain cooter Pseudemys concinna floridana Cumberland slider Trachemys scripta troostii Eastern box turtle Terrapene carolina carolina Eastern chicken turtle Deirochelys reticularia reticularia Eastern mud turtle Kinosternon subrubrum subrubrum Eastern musk turtle Sternotherus odoratus Eastern painted turtle Chrysemys picta picta Eastern river cooter Pseudemys concinna concinna Eastern spiny softshell turtle Apalone spinifera spinifera Green sea turtle Chelonia mydas Gulf Coast spiny softshell turtle *Apalone spinifera aspera * Hawksbill sea turtle Eretmochelys imbricata Kemp's ridley sea turtle Lepidochelys kempii Leatherback sea turtle Dermochelys coriacea Loggerhead sea turtle Caretta caretta Mississippi map turtle*Graptemys pseudogeographica kohnii * Northern map turtle Graptemys geographica Northern diamond-backed terrapin Malaclemys terrapin terrapin Northern red-bellied cooter Pseudemys rubriventris Red-eared slider *Trachemys scripta elegans * Snapping turtle Chelydra serpentina Spotted turtle Clemmys guttata Striped mud turtle Kinosternon baurii Stripe-necked musk turtle Sternotherus minor peltifer Wood turtle Glyptemys insculpta Yellow-bellied slider Trachemys scripta scripta   *denotes naturalized species Sources: https://dwr.virginia.gov/wp-content/uploads/virginia-native-naturalized-species.pdf http://dnr.maryland.gov/wildlife/Documents/herpchecklist.pdf

Northern copperhead Agkistrodon contortrix mokasen Timber rattlesnake Crotalus horridus Northern watersnake Nerodia sipedon sipedon Red-bellied watersnake Nerodia erythrogaster erythrogaster Queen snake Regina septemvittata Eastern smooth earthsnake Virginia valeriae valeriae Mountain earthsnake Virginia valeriae pulchra Northern brown snake Storeria dekayi dekayi Northern Red-bellied Snake Storeria occipitomaculata occipitomaculata Eastern garter snake Thamnophis sirtalis sirtalis Common ribbonsnake Thamnophis sauritus sauritus Southern ring-necked snake Diadophis punctatus punctatus Northern ring-necked snake Diadophis punctatus edwardsi Eastern worm snake Carphophis amoenus amoenus Smooth green snake Opheodrys vernalis Northern rough greensnake Opheodrys aestivus aestivus Eastern hog-nosed snake Heterodon platirhinos Rainbow snake Farancia erytrogramma erytrogramma Northern Black Racer Coluber constrictor constrictor Red cornsnake Pantherophis guttatus Eastern ratsnake Pantherophis alleghaniensis Mole kingsnake Lampropeltis calligaster rhombomaculata Eastern kingsnake Lampropeltis getula getula Eastern kilksnake Lampropeltis triangulum triangulum Coastal Plain Milksnake Lampropeltis triangulum elapsoides Northern scarletsnake Cemophora coccinea copei Sources: http://dnr.maryland.gov/wildlife/Documents/herpchecklist.pdf A Guide to the Snakes of Virginia (Virginia Department of Game and Inland Fisheries, Wildlife Diversity Division, Special Publication No. 2.1) 2002; by Michael J Pinder (Author)

Eastern Fence Lizard Sceloporus undulatus Eastern Six-lined Racerunner Aspidoscelis sexlineata sexlineata Little Brown Skink Scincella lateralis Northern Coal Skink Plestiodon anthracinus anthracinus Common Five-lined Skink Plestiodon fasciatus Broad-headed Skink Plestiodon laticeps Sources: https://dwr.virginia.gov/wp-content/uploads/virginia-native-naturalized-species.pdf http://dnr.maryland.gov/wildlife/Documents/herpchecklist.pdf

Common Mudpuppy Necturus maculosus maculosus Eastern Hellbender Cryptobranchus alleganiensis alleganiensis Marbled Salamander Ambystoma opacum Jefferson Salamander Ambystoma jeffersonianum Spotted Salamander Ambystoma maculatum Eastern Tiger Salamander Ambystoma tigrinum tigrinum Red-spotted Newt Notophthalmus viridescens viridescens Eastern Red-backed Salamander Plethodon cinereus Wehrle's Salamander Plethodon wehrlei Northern slimy salamander Plethodon glutinosus Valley and ridge salamander Plethodon hoffmani Seal Salamander Desmognathus monticola monticola Northern Dusky Salamander Desmognathus fuscus Allegheny Mountain Dusky Salamander Desmognathus ochrophaeus Northern Red Salamander Pseudotriton ruber ruber Eastern Mud Salamander Pseudotriton montanus montanus Northern Spring Salamander Gyrinophilus porphyriticus porphyriticus Northern Two-lined Salamander Eurycea bislineata Southern Two-lined Salamander Eurycea cirrigera Long-tailed salamander Eurycea longicauda longicauda Four-toed Salamander Hemidactylium scutatum Green Salamander Aneides aeneus Sources: https://dwr.virginia.gov/wp-content/uploads/virginia-native-naturalized-species.pdf http://dnr.maryland.gov/wildlife/Documents/herpchecklist.pdf

Upland Chorus Frog Pseudacris feriarum New Jersey Chorus Frog Pseudacris kalmi Northern Spring Peeper Pseudacris crucifer Mountain Chorus Frog Pseudacris brachyphona Eastern Cricket Frog Acris crepitans crepitans Green Treefrog Hyla cinerea Gray Treefrog Hyla versicolor Cope's Gray Treefrog Hyla chrysoscelis Barking Treefrog Hyla gratiosa Carpenter Frog Lithobates virgatipes Wood Frog Lithobates sylvaticus Northern Leopard Frog*Lithobates pipiens* Southern Leopard Frog Lithobates sphenocephalus utricularius Pickerel Frog Lithobates palustris Northern Green Frog Lithobates clamitans melanota American Bullfrog Lithobates catesbeiana Eastern spadefoot toad Scaphiopus holbrookii Eastern American Toad Anaxyrus americanus americanus Fowler's Toad Anaxyrus fowleri Eastern Narrow-mouthed Toad Gastrophryne carolinensis   *denotes naturalized species Sources: https://dwr.virginia.gov/wp-content/uploads/virginia-native-naturalized-species.pdf http://dnr.maryland.gov/wildlife/Documents/herpchecklist.pdf