Northwest Branch Anacostia River nr Colesville, MD
Northwest Branch Anacostia River MD USGS
Northwest Branch Anacostia River nr Colesville, MD (01650500) is a real-time streamflow monitoring station on the Northwest Branch Anacostia River in MD, operated by the U.S. Geological Survey. Riverbot tracks its streamflow and alerts anglers the moment flow and temperature hit their fishing window. 36 fish species are associated with this station in public fish records.
- USGS site number
- 01650500
- Agency
- USGS
- State
- MD
- Coordinates
- 39.0655, -77.0294
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Fish recorded near this station
Community observations nearbyNorthwest Branch Anacostia River nr Colesville, MD has 36 fish species documented via iNaturalist research-grade observations within 10 km. These community-sourced records indicate fish presence in the vicinity.
Species include: Yellow Bullhead (Ameiurus natalis), Brown Bullhead (Ameiurus nebulosus), American Eel (Anguilla rostrata), Central Stoneroller (Campostoma anomalum), Goldfish (Carassius auratus), and 31 others.
- Yellow Bullhead Ameiurus natalis
- Brown Bullhead Ameiurus nebulosus
- American Eel Anguilla rostrata
- Central Stoneroller Campostoma anomalum
- Goldfish Carassius auratus non-native
- White Sucker Catostomus commersonii
- Rosyside Dace Clinostomus funduloides
- Blue Ridge Sculpin Cottus caeruleomentum
- Potomac Sculpin Cottus girardi
- Satinfin Shiner Cyprinella analostana
- Spotfin Shiner Cyprinella spiloptera
- Amur Carp Cyprinus rubrofuscus
- Silverjaw Minnow Ericymba buccata
- Greenside Darter Etheostoma blennioides
- Fantail Darter Etheostoma flabellare
- Northern Tessellated Darter Etheostoma olmstedi
- Cutlip Minnow Exoglossum maxillingua
- Eastern Mosquitofish Gambusia holbrooki
- Spottail Shiner Hudsonius hudsonius
- Northern Hog Sucker Hypentelium nigricans
- Redbreast Sunfish Lepomis auritus
- Green Sunfish Lepomis cyanellus
- Bluegill Lepomis macrochirus
- Greengill Sunfish Lepomis macrochirus × cyanellus
- Common Shiner Luxilus cornutus
- Largemouth Bass Micropterus nigricans
- Swallowtail Shiner Miniellus procne
- Bluehead Chub Nocomis leptocephalus
- Margined Madtom Noturus insignis
- Rainbow Trout Oncorhynchus mykiss
- Bluntnose Minnow Pimephales notatus
- Eastern Blacknose Dace Rhinichthys atratulus
- Longnose Dace Rhinichthys cataractae
- Creek Chub Semotilus atromaculatus
- Fallfish Semotilus corporalis
- Three Spot Gourami Trichopodus trichopterus
One species above is flagged non-native or potentially invasive (Goldfish). Records show what has been observed near this station, not what is native to the watershed.
Where these records come from
- Evidence
- Community observations nearby
- Research-grade community observations (iNaturalist) recorded near this station, not a formal survey.
- Records
- 36 species
- from 200 individual records
- Observed
- Aug 4, 2025 – Jul 20, 2026
- 200 dated records
Sources
- iNaturalist research-grade fish observations — 200 records