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Gulf of Mexico killer whale photo-ID catalog

Published by Southeast Fisheries Science Center | U.S. Census Bureau, Department of Commerce | Catalog Last Checked: August 02, 2026 at 12:54 PM | Dataset Last Updated: April 30, 2026 at 12:00 AM
Photo-identification data on killer whales occupying the northern Gulf of Mexico have been collected in association with large vessel surveys since 1991. Photographs of killer whales are taken during encounters and unique dorsal fin marking can be used to identify individual animals. These images have been reviewed and individuals cataloged to evaluate residency and demographic patterns in killer whales in the northern Gulf of Mexico.

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