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Dusky Sharks Prey on Seals: A First in Nantucket

8/29/2025

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Summary

Story summary

Dusky sharks were observed preying on gray seals off Nantucket, Massachusetts, marking a first for this species.
Increased shark sightings correlate with the rebound of seal populations, their primary prey.
Despite rising shark numbers, the risk of attacks remains low, with only two confirmed unprovoked attacks in Maine since 1837.
Researchers stress the importance of public engagement and technology in studying shark behavior and ecology.

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Story summary

Dusky sharks were observed preying on gray seals off Nantucket, Massachusetts, marking a first for this species.
Increased shark sightings correlate with the rebound of seal populations, their primary prey.
Despite rising shark numbers, the risk of attacks remains low, with only two confirmed unprovoked attacks in Maine since 1837.
Researchers stress the importance of public engagement and technology in studying shark behavior and ecology.