A coho salmon swims up the Sol Duc river on the Olympic Peninsula. Credit: Adobe Stock.

World Fish Migration Day

5/22/2026 - By fisheries.noaa.gov, fisheries.noaa.gov. May 23, 2026 is World Fish Migration Day: a global celebration of the importance of migratory fish. Every year, millions of fish—salmon, steelhead trout, shad, alewives, and sturgeon, among others—migrate to their native habitats to reproduce. Some fish swim thousands of miles through oceans and rivers to… SEE MORE
Helicopter fitted with cameras for aerial mapping. The cameras are in the gray box mounted to the underside of the cockpit in front of the landing skids. Credit: Atlantic Salmon Federation/Valerie Ouellet

Where Do Atlantic Salmon Go to Beat the Heat?

11/25/2024 - By fisheries.noaa.gov. As a key river habitat warms, researchers race to protect cold water patches critical to salmon survival. Researchers have successfully used cameras operated from a helicopter to map surface water temperatures in Maine’s Narraguagus River. This is an important step toward habitat conservation for endangered Atlantic salmon and… SEE MORE
Sardine collected on the 2023 Coastal Pelagic Species Survey. Pacific and Japanese sardine look so similar that they can only be distinguished by genetics. Genomic analysis later revealed that the catch contained both species. Photo Credit: NOAA Fisheries/Kelsey James

Surprise! Japanese Sardines Astonish Scientists by Crossing the Pacific to the West Coast

11/18/2024 - By fisheries.noaa.gov. Next generation genomic sequencing of Pacific sardine reveals not one, but two species of sardine in the California Current in 2022 and 2023. When research scientist Gary Longo first saw the results of his genomic analysis of sardines, he thought he must have mixed up his samples. Besides… SEE MORE
Famartin, CC BY-SA 4.0 ,West_Virginia_Route_55_bridge_in_Petersburg_Gap via Wikimedia Commons

Reopening Rivers to Migratory Fish in the Northeast

12/29/2022 - By fisheries.noaa.gov Our interactive story map highlights how NOAA and partners’ work reopening rivers in the Northeast helps benefit fisheries and communities. [caption id="" align="alignnone" width="800"] Removal of Holmes Dam on Town Brook in Plymouth, Massachusetts. (Credit: Hawk Visuals)[/caption] Every year, millions of fish along the Atlantic coast migrate up… SEE MORE