this is the team’s third expedition to these shark-filled waters below Mexico’s
these shark-filled waters below Mexico’s
these shark-filled waters below Mexico’s Guadalupe Island captain Brett knows
Guadalupe Island captain Brett knows
Guadalupe Island captain Brett knows this harsh environment
this harsh environment
this harsh environment well the island itself kind of beers
well the island itself kind of beers
well the island itself kind of beers what goes on underwater they just look
what goes on underwater they just look
what goes on underwater they just look up there this much hospitable rugged
up there this much hospitable rugged
up there this much hospitable rugged like you would have a hard time
like you would have a hard time
like you would have a hard time surviving anywhere up there you can get
surviving anywhere up there you can get
surviving anywhere up there you can get hurt really easy just like right here in
hurt really easy just like right here in
hurt really easy just like right here in the water
the water
the water la de Lupe is one of a handful of
la de Lupe is one of a handful of
la de Lupe is one of a handful of locations around the world where great
locations around the world where great
locations around the world where great whites gather and doctor Domeier thinks
whites gather and doctor Domeier thinks
whites gather and doctor Domeier thinks they come here to breed for many years I
they come here to breed for many years I
they come here to breed for many years I thought that white sharks are very
thought that white sharks are very
thought that white sharks are very likely mating at these adult aggregation
likely mating at these adult aggregation
likely mating at these adult aggregation sites but I’ve never been able to figure
sites but I’ve never been able to figure
sites but I’ve never been able to figure out a way to prove that by having these
out a way to prove that by having these
out a way to prove that by having these white sharks on the deck of the boat I
white sharks on the deck of the boat I
white sharks on the deck of the boat I was able to start looking her stuff like
was able to start looking her stuff like
was able to start looking her stuff like blood hormone levels and sperm finding a
blood hormone levels and sperm finding a
blood hormone levels and sperm finding a sperm was the first thing that really
sperm was the first thing that really
sperm was the first thing that really started pick up this idea yes they are
started pick up this idea yes they are
started pick up this idea yes they are mating here but I couldn’t just say I
mating here but I couldn’t just say I
mating here but I couldn’t just say I saw sperm I had to actually collect it
saw sperm I had to actually collect it
saw sperm I had to actually collect it and and and stain it and put it
and and and stain it and put it
and and and stain it and put it underneath the microscope and take a
underneath the microscope and take a
underneath the microscope and take a picture to prove it to the world hang on
picture to prove it to the world hang on
picture to prove it to the world hang on we got something just yesterday he
we got something just yesterday he
we got something just yesterday he thought he finally had a good sperm
thought he finally had a good sperm
thought he finally had a good sperm sample from a 14-foot male named a bite
sample from a 14-foot male named a bite
sample from a 14-foot male named a bite face
but he and associate Nicole Lucas
but he and associate Nicole Lucas quickly discover they were wrong
quickly discover they were wrong
quickly discover they were wrong there’s our sample it’s the right color
there’s our sample it’s the right color
there’s our sample it’s the right color we might have a sperm cell here but it
we might have a sperm cell here but it
we might have a sperm cell here but it is not moving it was his first attempt
is not moving it was his first attempt
is not moving it was his first attempt to examine great white sperm under a
to examine great white sperm under a
to examine great white sperm under a microscope it’s not sperm swimming all
microscope it’s not sperm swimming all
microscope it’s not sperm swimming all around in this sample I kind of expected
around in this sample I kind of expected
around in this sample I kind of expected to see things wiggling around later he
to see things wiggling around later he
to see things wiggling around later he recognized his mistake he needed to look
recognized his mistake he needed to look
recognized his mistake he needed to look for something called a spermatophore and
for something called a spermatophore and
for something called a spermatophore and the seminal fluid sorry reproduction is
the seminal fluid sorry reproduction is
the seminal fluid sorry reproduction is a bit different than what you might
a bit different than what you might
a bit different than what you might expect the sperm in males actually comes
expect the sperm in males actually comes
expect the sperm in males actually comes out in these little packets called
out in these little packets called
out in these little packets called spermatophores and it look like grains
spermatophores and it look like grains
spermatophores and it look like grains of rice so I’ll be looking for those on
of rice so I’ll be looking for those on
of rice so I’ll be looking for those on this trip now 24 hours later he needs a
this trip now 24 hours later he needs a
this trip now 24 hours later he needs a new sperm sample to try and isolate
new sperm sample to try and isolate
new sperm sample to try and isolate those grain like patterns it’s the proof
those grain like patterns it’s the proof
those grain like patterns it’s the proof he needs to finally determine if males
he needs to finally determine if males
he needs to finally determine if males are here to mate
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