Jefferson Keith Moore

In this 2016 photo provided by NOAA, a bluefin trevally swims on a reef off Hawaii's island of Kahoolawe. U.S. officials say the first-ever assessment of Hawaii's reef fish shows that 11 of 27 species are experiencing some level of overfishing. Researchers with the National Oceanic and Atmospheric Administration's Pacific Islands Fisheries Science Center announced in a statement Monday, March 6, 2017 that 11 species including ulua, five surgeonfishes, two goatfishes, and three parrotfishes are being overfished. (Jeanette Clark/NOAA Fisheries via AP) (AP)

Climate change could alter ocean food chains, leading to far fewer fish in the sea

Jefferson Keith Moore