International Whale Shark Day Aug 30, 2023

Say hello to the largest fish in the world, the whale shark. On August 30, we celebrate International Whale Shark Day to honor these magnificent marine creatures. These gentle giants are not related to whales, despite their impressive size—they can reach up to 40 feet in length. Whale sharks are calm creatures which are usually safe for divers to swim alongside. These sharks are filter feeders and consume plankton and small fish by sieving them through their gill plates. There has been a significant decline in their populations, with an estimated 63% decrease in their numbers in the last 75 years. Threats include being hit by boats or tangled in fishing gear and their habitats are being damaged by pollution, coastal development and over-fishing. Advocates work through education and community engagement to help safeguard whale sharks and preserve our oceans.

© Jason Edwards/Getty Images

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Aug 30, 2025International Whale Shark Day

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