A large shark tooth being measured on a table, with a ruler for scale.
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Shark Tooth
This largest shark tooth collected during the 2026 Cook Islands ROV Exploration cruise measured 13 centimeters (5 inches) in length!

From: A Mega Find: Shark Teeth from the Deep Waters of the Cook Islands
Credit

NOAA Ocean Exploration, 2026 Cook Islands ROV Exploration

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Related Expedition
2026 Cook Islands ROV Exploration (EX2605)