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EXCLUSIVE: How “Glowing” Sharks See Each Other | National Geographic


this amazing thing happened a few years

this amazing thing happened a few years ago we accidentally found a fluorescent

ago we accidentally found a fluorescent

ago we accidentally found a fluorescent fish and then that led us to over 200

fish and then that led us to over 200

fish and then that led us to over 200 fluorescent fish including two species

fluorescent fish including two species

fluorescent fish including two species of sharks I wanted to film these sharks

of sharks I wanted to film these sharks

of sharks I wanted to film these sharks in their natural world with the shark

in their natural world with the shark

in their natural world with the shark eye camera and see essentially what the

eye camera and see essentially what the

eye camera and see essentially what the world looks like through their eye so

world looks like through their eye so

world looks like through their eye so humans see in three colors red green and

humans see in three colors red green and

humans see in three colors red green and blue and as soon as we go underwater we

blue and as soon as we go underwater we

blue and as soon as we go underwater we start losing all the other colors

start losing all the other colors

start losing all the other colors quickly and it becomes dark and blue

quickly and it becomes dark and blue

quickly and it becomes dark and blue these biofluorescent sharks that were

these biofluorescent sharks that were

these biofluorescent sharks that were looking at are called swell sharks these

looking at are called swell sharks these

looking at are called swell sharks these sharks had only one visual pigment and

sharks had only one visual pigment and

sharks had only one visual pigment and it was only right at the intersection of

it was only right at the intersection of

it was only right at the intersection of blue and green they’re in a blue world

blue and green they’re in a blue world

blue and green they’re in a blue world where everything is blue but they’re

where everything is blue but they’re

where everything is blue but they’re capable of turning blue into green

once we learned what the pigment of the

once we learned what the pigment of the shark I was like we filtered a very

shark I was like we filtered a very

shark I was like we filtered a very sensitive camera we had a red epic to

sensitive camera we had a red epic to

sensitive camera we had a red epic to have the same color sensitivity as the

have the same color sensitivity as the

have the same color sensitivity as the shark at 120 feet in this Canyon we were

shark at 120 feet in this Canyon we were

shark at 120 feet in this Canyon we were just using the blue ocean light and this

just using the blue ocean light and this

just using the blue ocean light and this was difficult for us humans but the

was difficult for us humans but the

was difficult for us humans but the sharks can still see amazingly well and

sharks can still see amazingly well and

sharks can still see amazingly well and that makes sense because they’ve been

that makes sense because they’ve been

that makes sense because they’ve been down there for 400 million years and

down there for 400 million years and

down there for 400 million years and they’ve been living in an environment

they’ve been living in an environment

they’ve been living in an environment with very little light this was a huge

with very little light this was a huge

with very little light this was a huge step for us because we didn’t even know

step for us because we didn’t even know

step for us because we didn’t even know could this well sharks could the

could this well sharks could the

could this well sharks could the fluorescent sharks

fluorescent sharks

fluorescent sharks see this and with the study now we know

see this and with the study now we know

see this and with the study now we know yes because they can see the

yes because they can see the

yes because they can see the fluorescence among themselves this

fluorescence among themselves this

fluorescence among themselves this almost seems like when it was discovered

almost seems like when it was discovered

almost seems like when it was discovered that bats were communicating with sound

that bats were communicating with sound

that bats were communicating with sound outside of human detection and that

outside of human detection and that

outside of human detection and that there was a whole mode of communication

there was a whole mode of communication

there was a whole mode of communication going on and with sharks

going on and with sharks

going on and with sharks it could be something similar how

it could be something similar how

it could be something similar how they’re using it now we can even go

they’re using it now we can even go

they’re using it now we can even go further and further more into this era

further and further more into this era

further and further more into this era where were losing species at a rate that

where were losing species at a rate that

where were losing species at a rate that we haven’t seen in millions of years so

we haven’t seen in millions of years so

we haven’t seen in millions of years so in trying to connect with nature it’s

in trying to connect with nature it’s

in trying to connect with nature it’s important to kind of empathize with

important to kind of empathize with

important to kind of empathize with nature and even see what these animals

nature and even see what these animals

nature and even see what these animals and by putting ourselves behind the

and by putting ourselves behind the

and by putting ourselves behind the shark’s eye gives us a portal into their

shark’s eye gives us a portal into their

shark’s eye gives us a portal into their life

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