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At various times of the year and in different locations around the world, sharks of many kinds gather, swarm, and spiral. Dr. Tristan Guttridge and Ornella Weideli conduct a study of just what brings them together, and what’s going on in these shark ‘societies’. Produced by Red Rock Films.
First Air Date : Jul 17, 1988
Last Air date : Jul 26, 2025
Episode : 439 Episode
Season : 38 Season
Runtime: 42:14 minutes
Studio: Discovery
Country: United States of America
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