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Gulf of Mexico killer whale photo-ID catalog

Published by Southeast Fisheries Science Center | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: January 27, 2026 | Last Modified: 2025-05-15T19:15:56.000+00:00
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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