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World Fish Migration Day 2022

May 21, 2022 is World Fish Migration Day—a global celebration to raise awareness on the importance of free flowing rivers and migratory fish. Take a look at these features to learn how NOAA Fisheries works to address barriers to fish migration and open their passage ways.

Fish Migration Features

Decades of Dam Removals Help Fish Reach their Homes in Historic Plymouth

Take a virtual walk along Town Brook in Massachusetts to see fish passage projects that have reopened the stream, giving migrating herring and eel new access to restored habitats.

Take a tour of decades of dam removals

Reopening Rivers to Migratory Fish in the Northeast

Our interactive story map highlights how NOAA and partners’ work reopening rivers in the Northeast helps benefit fisheries and communities.

Explore the story map

Record Number of Fish Migrate through Columbia Fishway in South Carolina

An estimated 5,000 American shad passed through the Columbia Fishway on the Broad River in South Carolina during a 10-week monitoring period this spring.

Record number of fish migrate through Columbia Fishway in South Carolina

Restoring Habitat for Migratory Fish: A Look Back at the Recovery Act—Part 2

Salmon, river herring, and other migratory fish species continue to benefit from habitat restoration projects funded through the American Recovery and Reinvestment Act of 2009.

Learn more about restoring habitat for migratory fish

What Happens After Dam Removals

Collaborative research on Penobscot dam removals show initial gains from restoration actions.

Learn more about what happens after dam removals

Removing Dams and Replacing Culverts: Opening Up Miles of Habitat for Fish Migration

Oil spill settlement-funded projects opened up a river and streams, and restored wetland habitat in two northeast states. Fish haven’t been able to access some of these areas for hundreds of years.

Learn more about projects to open up miles of habitat for fish migration

Reopening Rivers for Migratory Fish

Every year, millions of fish migrate to their native habitats to reproduce. They are often blocked from completing their journey. When fish can’t reach their habitat, their populations can’t grow.

Learn how we work to reopen rivers for migratory fish

Barriers to Fish Migration

One reason fish populations struggle is that barriers prevent them from reaching the upstream habitat where they breed and grow.

Learn why fish migration is important and what we’re doing to help

Improving Fish Migration at Hydropower Dams

When barriers such as hydropower dams block fish from migrating, their populations decline. Through its authorities under the Federal Power Act, NOAA Fisheries improves habitat by addressing fish passage at non-federal hydropower dams.

Learn how these efforts help recover threatened and endangered migratory fish and support the sustainability of economically important commercial and recreational fisheries

Successful Fish Passage Efforts Across the Nation

Through multiple programs and partnerships, NOAA Fisheries is leading the charge to open our nation’s rivers and streams by providing fish passage solutions.

Learn more about the benefits of opening rivers for fish and communities across the nation

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