$12 million domestically, and $16.9 million for export. New Zealand's main export markets are Japan, Korea, the US, the EU and Australia. However, research has demonstrated that changes in global ocean temperature and the advent of ocean acidification may alter the growth, reproduction, and development of this species with variable responses See also Philippine cupped oyster (Magallana bilineata) References External links Clara Massapina, Sandra Joaquim, Domitilia Matias and Nicole Devauchelle, Oocyte and embryo quality in Crassostrea gigas (Portuguese strain) during a spawning period in Algarve, South Portugal; Aquat. Living Resour. 12 (1999) 327–333 Crassostrea gigas, Food and Agriculture Organization of the United Nations Pacific oyster, United States National Oceanic and Atmospheric Administration http://findarticles.com/p/articles/mi_m0QPU/is_2_24/ai_n15384489 https://web.archive.org/web/20061223014748/http://www.stefannehring.de/downloads/142_Nehring-2003_Aliens-17_pacific-oyster.pdf Magallana Molluscs of the Pacific Ocean Marine molluscs of Asia Bivalves of Asia Commercial molluscs Bivalves described in 1793 Articles containing video clips Taxa named by Carl Peter Thunberg