since 2012, peruvian biologist kerstin forsberg has been fighting to protect the sea creatures. >> this species is in danger across the globe due to intentional fishing and accidental by-catch. we had to do something because here in peru there were no regulations to protect the giant manta ray. so we had to take action on behalf of this species which is risk of extinction. >> forsberg is trying to conserve one of the most important giant manta ray populations in the world. the docile creatures are not dangerous to people, although there's no denying they're imposing. the waters off the coast between peru and ecuador are rich in plankton. it's an optimal habitat for the mantas. every dive there is rewarded with scientific discoveries. >> each giant manta ray has a unique pattern on its abdomen. it's like a fingerprint. that's why when we dive with them we photograph or film their abdomen in order to identify the individual creature. shshe's one ofof the fir >> s scientists to r researche gigiant manta ray population n peru. and the results are alarming. >> this species is very slow to re

since 2012, peruvian biologist kerstin forsberg has been fighting to protect the sea creatures. >> this species is in danger across the globe due to intentional fishing and accidental by-catch. we had to do something because here in peru there were no regulations to protect the giant manta ray. so we had to take action on behalf of this species which is risk of extinction. >> forsberg is trying to conserve one of the most important giant manta ray populations in the world. the docile creatures are not dangerous to people, although there's no denying they're imposing. the waters off the coast between peru and ecuador are rich in plankton. it's an optimal habitat for the mantas. every dive there is rewarded with scientific discoveries. >> each giant manta ray has a unique pattern on its abdomen. it's like a fingerprint. that's why when we dive with them we photograph or film their abdomen in order to identify the individual creature. shshe's one ofof the fir >> s scientists to r researche gigiant manta ray population n peru. and the results are alarming. >> this species is very slow to re