U.S. Fish and Wildlife Service Northeast Region

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Many fish are mighty migrators!  Every spring and fall, millions of fish around the world are migrating between the oceans and our coastal rivers to produce new generations of fish. Millions more live in freshwater all year and are also on the move, some swimming 2,000 miles to spawn, feed and grow.

The American eel spawns and hatches in the ocean waters of the Sargasso Sea, near Bermuda, about 2 million square miles of warm water in the North Atlantic. The larvae of this snake-like fish drift with the currents for about a year to find homes throughout their huge range, from Greenland to Venezuela. Many eels migrate north and make it all the way to Lake Ontario. A champion migrator if I’ve ever… Read More

World Fish Migration Day is May 21 and a day to celebrate keeping rivers open so fish can move freely; the completed Hurricane Sandy funded White Rock dam removal project on the Pawcatuck River (CT and RI) demonstrates letting the river run free while connecting waterways and protecting communities!