State watch
New Jersey Snakehead
The Delaware River drainage and several South Jersey lakes hold snakehead, and the population continues to spread.
Audubon Lake
lakeNorthern snakeheadestablished
Documented northern snakehead water in Camden County, New Jersey. Lower Delaware drainage. 1 USGS specimen record (2011); status: established. Location verified from the USGS Nonindigenous Aquatic Species database.
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Big Timber Creek
creekNorthern snakeheadestablished
Documented northern snakehead water in Camden County, New Jersey. Lower Delaware drainage. 1 USGS specimen record (2011); status: established. Location verified from the USGS Nonindigenous Aquatic Species database.
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Blackwood Lake
lakeNorthern snakeheadestablished
Documented northern snakehead water in Camden County, New Jersey. Lower Delaware drainage. 1 USGS specimen record (2012); status: established. Location verified from the USGS Nonindigenous Aquatic Species database.
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Cooper River
riverNorthern snakeheadestablished
Cooper River Park waters hold snakehead with easy suburban access.
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Crystal Lake
lakeNorthern snakeheadestablished
Documented northern snakehead water in Burlington County, New Jersey. Crosswicks-Neshaminy drainage. 1 USGS specimen record (2012); status: established. Location verified from the USGS Nonindigenous Aquatic Species database.
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Delaware River
riverNorthern snakeheadestablished
Documented northern snakehead water in Burlington County, New Jersey. Lower Delaware drainage. 2 USGS specimen records (2010–2013); status: established. Location verified from the USGS Nonindigenous Aquatic Species database.
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Delaware River (tidal)
riverNorthern snakeheadestablished
The tidal Delaware and its NJ coves and ponds hold a spreading snakehead population.
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Little Mantua Creek
creekNorthern snakeheadestablished
Documented northern snakehead water in Gloucester County, New Jersey. Lower Delaware drainage. 1 USGS specimen record (2011); status: established. Location verified from the USGS Nonindigenous Aquatic Species database.
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Matthews Branch
creekNorthern snakeheadestablished
Documented northern snakehead water in Gloucester County, New Jersey. Lower Delaware drainage. 2 USGS specimen records (2010); status: established. Location verified from the USGS Nonindigenous Aquatic Species database.
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Middle Delaware Scenic and Recreational River ). Shallow backchannel near Poxono Island
riverNorthern snakeheadreported
Documented northern snakehead water in Warren County, New Jersey. Middle Delaware-Mongaup-Brodhead drainage. 1 USGS specimen record (2020); status: unknown. Location verified from the USGS Nonindigenous Aquatic Species database.
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Newton Lake
lakeNorthern snakeheadestablished
Camden-County lake that's a well-known South Jersey snakehead spot.
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Raccoon Creek
creekNorthern snakeheadestablished
Documented northern snakehead water in Gloucester County, New Jersey. Lower Delaware drainage. 1 USGS specimen record (2011); status: established. Location verified from the USGS Nonindigenous Aquatic Species database.
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Rancocas Creek
creekNorthern snakeheadreported
Delaware-drainage creek with snakehead moving in.
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Southwest Branch Rancocas Creek
creekNorthern snakeheadestablished
Documented northern snakehead water in Burlington County, New Jersey. Lower Delaware drainage. 1 USGS specimen record (2010); status: established. Location verified from the USGS Nonindigenous Aquatic Species database.
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Stewart Lake
lakeNorthern snakeheadestablished
Documented northern snakehead water in Gloucester County, New Jersey. Lower Delaware drainage. 5 USGS specimen records (2009–2011); status: established. Location verified from the USGS Nonindigenous Aquatic Species database.
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Woodbury Creek
creekNorthern snakeheadestablished
Documented northern snakehead water in Gloucester County, New Jersey. Lower Delaware drainage. 2 USGS specimen records (2010–2011); status: established. Location verified from the USGS Nonindigenous Aquatic Species database.
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Know a spot we're missing? Add it to the map →
New Jersey regulations: It is illegal to possess a live snakehead in New Jersey. Kill any snakehead immediately and do not move it between waters. Verify current regulations with NJ Fish & Wildlife.
NJ Division of Fish & Wildlife ↗
Last checked Jun 15, 2026 — always verify current rules.
NJ Division of Fish & Wildlife ↗
Last checked Jun 15, 2026 — always verify current rules.
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