Whale shark closeup
Even though whale sharks can reach the size of a school bus, they eat tiny plankton and fish eggs, which they filter feed as they swim slowly along with their giant mouths wide open. Their incredible size helps them to survive long migrations to abundant food sources, a time they may not be able to find enough food. Scientists believe that some individuals swim across entire oceans to arrive just in time for a plankton bloom or a mass spawning of fish or coral eggs – an amazing feat for a fish.
Photograph by Laz Ruda
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