About 109 million tonnes of fish were caught in 2010 — 30 percent higher than the 77 million tonnes reported to the UN’s Food and Agriculture Organization (FAO), according to the study. This meant that about 32 million tonnes of catch went unreported that year, "more than the weight of the entire population of the United States," said a research duo from the University of British Columbia, Canada.

Plenty of fish in the sea? maybe not, says study. (2016, January 21). Manila Bulletin, p. B-8.