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Dugongs vs. Tiger Sharks | National Geographic


Australia’s Shark Bay is home to over
10,000 dugongs it seems like a perfect
spot for these air-breathing herbivores
the water is shallow and peppered with
beds of seagrass the dugongs main source
of food
biologist Aaron were seen has come here
from Canada to study the do wrong we
know almost nothing about its habitat
use patterns its feeding habits and the
way it gets along with some of its major
predators like tiger sharks the tiger
shark a beautiful agile and powerful
hunter is the one thing that keeps Shark
Bay from being a paradise for the
slow-moving dugongs named for their
strikes tiger sharks are massive warm
water predators capable of growing over
14 feet long and reaching weights of
2,000 pounds seems like a bit of a
mismatch for the smaller dugongs
which are more closely related to the
elephant than to other seafaring mammals
like seals and walruses and there’s a
very interesting race going on right
here in Shark Bay between dugongs and
tiger sharks to get a closer look at
that race from the perspective of the
dugongs our team deploys some critter
games
the team is eager to learn what they can
about how these clumsy looking
vegetarians managed to evade the tiger
sharks there are a few surprises in
store the dugongs are going much deeper
than Aaron thought but there’s not
nearly as much food down here as there
is in the shallower waters still the
critter camp team believes that feeding
a greater depth may be how the dugongs
managed to evade the Sharks shallow
water means tiger sharks so dugongs do a
lot of their foraging in deep water
where the tiger sharks don’t hunt
another of nature’s mysteries solved
thanks to a dedicated team of scientists
and Crittercam
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