Seetzero Sight News Today

Completing the catch. it feseems the ecosystem is already feeling the effects. >> for the marine environment is going to be huge. >> reporter: the seetzero sight is alarming, but not surprising. she predicted the collapse years ago. in 2012 by studying genetics, she founded the population was smaller and more vulnerable than anyone imagined. >> what were your reactions to the population of great whites? >> concern, mostly. but also shock. we were expecting to find a thousand more around here. >>...