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here's the situation that you found
yourself in somehow you're lost
somewhere in the Amazon rainforest and
you're trying to get back to
civilization when you stumble across a
river unfortunately for you though with
the river is absolutely swarming with
thousands of piranhas and your only way
to get over to the other side is to
cross it how do you manage to do this
safely and successfully without getting
quickly transformed into a skeleton
first off it's probably going to be
important for you to understand how
Coronas actually behave in the wild
they're indigenous to this region of
South America and the legend of
bloodthirsty ferocious piranhas is
mostly a myth the piranhas fearsome
reputation largely stems from the
account of US President Teddy Roosevelt
after he visited South America in 1913
where he witnessed a group of locals who
blocked part of a river off and starved
the piranhas inside for days before they
dumped a poor cow in for them to feast
upon which they rapidly tore apart and
skeletonized Roosevelt was horrified and
wrote about the incident extensively
which eventually trickled down into the
minds of all of us through pop culture
in reality though Coronas are generally
pretty tame and behave more like
opportunistic scavengers they generally
only attack prey that's roughly their
own size but attacks on humans do still
occur from time to time so you are still
at some serious risk during your
crossing the most savage species of
piranha is the red-bellied piranha so if
it's them in the river ahead of you
you're in the most serious kind of
danger their teeth are each like a small
serrated knife and when they chomp their
jaws together their upper and bottom
rows of teeth interconnect like a deadly
pair of scissors a single bite from one
is capable of chopping off one of your
appendages like a toe or a finger or
something else so here's what you can do
during your crossing to avoid any harm
first off you need a time you're
crossing well you should ideally cross
during the South American wet season
between January and March when the
rivers are deeper and the food for
piranhas is more plentiful you should
avoid crossing during the trying season
however which is between June and aw
when the rivers are obviously drier and
the food is more scarce
which means piranhas are more likely
hungry and willing to attack prey
outside of their normal diets people
like you secondly make sure to cover any
open wounds that you might have on your
body and do whatever you can to prevent
any bleeding like sharks piranhas can be
attracted to blood because it indicates
wounded prey that would be easier to
take down if you're feeling sick or
otherwise unwell don't attempt to make
the crossing until you feel better
thirdly you need to choose a strategic
area along the river to cross that where
piranhas are less likely to be at you
need to take care not to cross anywhere
near a site where people may have been
fishing because piranhas will be
attracted to the dead fish and baits as
tempting as it might be you also
shouldn't cross over a portion of the
river where the water is very still
still water is great for humans to swim
and wade in but it's also where piranhas
generally breed at hundreds of people
have been bitten by piranhas and Brazil
in still waters while swimming just over
the last few years
fourthly you need to make sure to cross
the river at night piranhas are
nocturnal creatures and are generally
sleeping during the night while they
hunt and are most active at dawn and
throughout the day fifthly and perhaps
most importantly of all you have to take
care to move across the river slowly
without any sudden movements or
splashing and without any talking sudden
or rapid movements out of context and
splashing around can alert piranhas that
you might be in distress or nervous and
cause them to investigate so to the best
of your abilities you need to swim
straight and true and as quietly as
possible so as not to disturb them while
you're crossing the river make sure to
avoid any areas beneath trees because
piranhas will generally linger around
there waiting for things like birds or
their eggs to drop down for a snack
finally if you see piranhas actively
feeding in an area you should obviously
steer clear away from that while piranha
attacks on humans are rare when they're
actively involved in a feeding frenzy
anything can happen
hypothetically speaking a group of
piranhas are capable of taking down prey
much larger than themselves like you for
a few reasons for one thing when a
piranha bytes they don't shoe when they
bite down and rip off a chunk of flesh
they just swallow it down right to their
bellies they'll continue to keep
snapping their jaws shut
over and over like this until their
bellies are full secondly if piranhas
are attacking in a horde of hundreds
they're incredibly efficient team eaters
steering a feeding frenzy the piranhas
will continuously rotate in and out so
as one piranha takes a bite it
immediately moves out of the way for the
next piranha to come in and take a bite
and so on and so on the speed that
piranhas do these bite rotations at is
frightening ly ferocious which is what
causes the infamous boiling water effect
to appear on the surface of the river
while they're feasting there are only a
handful of recorded incidents of
piranhas killing humans like recently
back in 2018 when a drunk eighteen year
old man fell off a boat in a river in
Bolivia and was eaten alive by them
there isn't really any reliable data for
what I'm about to say but research
conducted by scientists in the past has
estimated that in order for you a grown
adult to be eaten alive by piranhas down
to your skeleton it would take somewhere
between 300 and 500 starved and
desperate piranhas somewhere around five
minutes to do that the likelihood of
this happening to you in your river
crossing though is so minuscule that you
shouldn't really be worried about that
at all especially if you follow all of
the steps that I just mentioned before
the two biggest things that piranhas are
attracted to our blood and noise so if
you can minimize both of those your
chances of survival and getting over to
the other side of that river are very
very high on the other hand if you love
making noise or listening to noise while
you're dealing with a stressful
situation like crossing a
piranha-infested River then maybe you
should reconsider your crossing but
honestly you are probably just watching
this video from home or from work right
now so if you're stuck there far away
from any piranhas and you want to help
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get into a more productive workout
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always thank you for watching