Changing conditions are more than an oceanographic curiosity—they’re reshaping where fish are found and when fishermen encounter them.

NOAA Fisheries


A green sea turtle swims over a rocky reef in clear, deep blue water. A green sea turtle at Midway Atoll in Papahānaumokuākea Marine National Monument.
Photo of a large number of floating dead fish piled up next to a seawall A red tide event in 2018 led to massive fish kills along Florida’s Gulf Coast. Photo courtesy of Meaghan Emory.
The Sacramento River surrounded by trees with the white Sundial Bridge in the distance. The Sacramento River near the main spawning area of winter-run Chinook salmon blocked by dams from their original mountain spawning habitat. The Sundial Bridge in Redding rises in the background. Credit: Larisa Thacher/UC Davis Center for Watershed Sciences
Three melon-headed whales swim together in bright blue ocean water. Their heads and dorsal fins emerge from the water. A group of melon-headed whales swimming together on February 1, 2026, seen during the Winter Hawaiian Islands Cetacean and Ecosystem Assessment Survey. Credit: NOAA Fisheries/Mary Applegate, taken under NOAA permit #25754.
A close-up of a shadowgraph imaging camera mounted on the front of an underwater glider. A shadowgraph camera extends from the nose of a glider in the laboratory. The camera in the box between the two cylinders attached to the glider collects an image every two seconds as the glider dives and climbs, collecting more than 1 million images in 30 days in the water. Photo: NOAA Fisheries
A bright yellow uncrewed boat floats in choppy seas under cloudy skies. The boat is carrying various ocean sensors and equipment and is 40 feet in length. In the background is a bridge. Chance Maritime Technologies MC40 Uncrewed Surface Vehicle in Narragansett Bay during pre-mission testing. Credit: Courtesy of Chance Maritime Technologies.

Upcoming Events

September 2026 HMS Advisory Panel Meeting

Sep 9, 2026 - Sep 10, 2026

Milford Lab Open House

Sep 12, 2026

Safe Handling, Release, and Identification Workshops

Sep 16, 2026