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Marine Mammal Stock Assessment Reports by Region

NOAA Fisheries annually prepares marine mammal stock assessment reports by region: Alaska, U.S. Atlantic Ocean/Gulf of Mexico, and U.S. Pacific Ocean.

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An oceanic whitetip shark swims in the middle of the ocean. An oceanic whitetip shark swims near the surface of the water. Photo courtesy of John Carlson.
Two humpback whales swimming underwater. The water is very blue, and the surface is visible just above their heads. Humpback whales swimming underwater. Credit: Kogia.org
A Gulf of Mexico Bryde’s whale just under the surface of the water. Photo: NOAA Fisheries NMFS ESA/MMPA Permit No. 21938. A Rice’s whale just under the surface of the water in the Gulf of Mexico. This endangered whale was recognized as a separate species from the Bryde’s whale in 2021. Credit: NOAA Fisheries under NOAA Permit No. 21938.