CNN CNN Newsroom Live December 6, 2021 06:53:00
>> reporter: the maldives is an island nation. over a thousand fish species in habit this patch of the indian ocean occasionally in significant numbers. >> here in the maldives we have the largest number of races recorded in the world. they have 5,100 individuals in the database. >> reporter: beth leads a team of researchers at the conservation charity. six days a week for over half a year, this group heads out to a unesco protected bay in hopes of finding mantas to study. surprisingly this weather is the weather they want. >> the rainy season, you get plankton trapped in the closed end of the...