9 Interesting Whale Shark Facts

To most, just the name ‘whale shark’ conjures feelings of excitement, mystery and curiosity. But how much do you really know about the world’s largest fish? Here are nine interesting facts you might not have known about this majestic marine animal.

diving with whale sharks in the maldives

1. They’re Not Whales, but the Largest Fish in the Ocean

Whale sharks can reach up to an incredible 12 meters/40 feet in length and 21.5 tons in weight.

2. Whale Sharks are Filter Feeders That Can’t Bite nor Chew

Being a filter feeder, whale sharks mostly sieve plankton through their gills for nourishment. During feeding their mouth can even stretch over 1 meter/4 feet wide!

3. They Can Process More Than 6,000 Liters of Water

Using their gills, whale sharks can process over 6,000 liters of water every hour.

4. Whale Sharks are Slow Swimmers That Migrate a Long Way

Moving at speeds of no more than 4 kph/3 mph, a single whale shark can travel 12,874km/8,000 miles or more, in just three years.

5. They Have Thousands of Teeth

Whale sharks have about 3,000 tiny teeth, less than 1-inch long, that help them eat small shrimp, fish and plankton.

6. Whale Sharks Have an Incredibly Long Lifespan

These beautiful creatures are estimated to have a lifespan of 70 to 100 years!

7. They Give Birth to Live Young

Once whale sharks have reached sexual maturity (around 30 years old) and fallen pregnant, they give birth to live young that are already 16 to 24 inches long.

8. Not All Whale Sharks Survive to Adulthood

After birth, the mother will leave her young to fend for themselves and as a result, only 10% of whale sharks actually survive to adulthood.

9. Whale Sharks Are Endangered

Unfortunately, the global whale shark population has been declared endangered by the IUCN, with their main threat being fisheries, bycatch losses and demand for shark fins, liver oil, skin and meat. Learn more about how you can help protect whale sharks and ensure their species lives forever.

Haven’t had a chance to cross off diving with whale sharks from your bucket list? Here are the best locations to swim and dive with whale sharks by month.

Brooke McConnell

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