The production of aquatic plants, mostly seaweeds, reached 24.9 million tonnes in 2012,
of which aquaculture produced 23.8 million tonnes (96 percent). Carrageenan seaweeds
(including Kappaphycus alvarezii and Eucheuma spp.) are the main cultured seaweeds
(8.3 million tonnes), followed by japanese klep (5.7 million tonnes).