There are a range of harmless sharks such as sandbar sharks believed to live in the Hudson river. In centuries gone by sharks were thought to be plentiful in the Hudson. However due to industrialisation and increased traffic on the river, the waters no longer provide an environment conducive to the survival of sharks.
The article below also answers this question in greater depth.
http://www.nytimes.com/2005/05/29/nyregion/thecity/29shar.html?pagewanted=print
So the answer is yes.
Yes the Dutch claimed the Hudson River area.
The Hudson river is 315 miles long
Susqnehanna River, Delaware River, and Hudson River
The Hudson river is about 315 miles long
hUDSON bAY
No. There are no sharks in Lake George. Do not believe the urban legends about bull sharks swimming up the river. There have been no shark attacks in the Hudson River either.
No. The only sharks that can live in fresh water are bull sharks, and it's too cold for them live in the Canadian river.
No. Although Bull Sharks can survive in fresh water, the Yellowstone River is too far away from salt water for the Bull Shark to get to the Yellowstone River.
Bull sharks are most commonly found in the Brisbane River.
Yes. There have been bull sharks that swam up as much as 1750 miles up the tennessee river from the mississippi river.
Yes, there are bull sharks in Crystal River. We've caught a few in the river, more so near Shell Island
bull sharks are in the Mississippi river and therefor they are in Wisconsin. Bull sharks are abundant in the lower Mississippi River and are also found in Minnesota up the Mississippi. Bull sharks have also been reported in an attack in Lake Michigan, possibly up the St. Lawrence River from saltwater to freshwater.
no
no
Yes
No. The Bull Sharks are known to swim up the Ganges River and hence sometimes they are confused with the Ganges River Shark. The Ganges Shark is a fresh water shark that is indigeneous to the Ganges river of India. They are a critically endangered species. Whereas, the Bull sharks can live in both salt and fresh water.
River sharks and Bull sharks would fit that bill.