It is found widely in woodland, savanna and scrub in northern South America in Colombia, Venezuela, the Guianas, the ABC islands in the Netherlands Antilles, and northern Brazil (mainly the Rio Negro/Branco region) with a disjunct population in south-western Pará.
Mississippi River | River Thames | Amazon River | Columbia River | Hudson River | Colorado River | Potomac River | river | Ohio River | Missouri River | Delaware River | Murray River | River Tyne | Madeira River | Volga River | River Nene | River Clyde | River Trent | River Severn | Amur River | River Wear | Allegheny River | Red River | Dnieper River | Yarra River | Paraná River | River Tees | Fraser River | Yangtze River | Tocantins River |
dracunculus was discovered from an artificial well in the village of Rio Pardo, located in the drainage area of the Rio Branco (Rio Madeira system, Amazon basin).