The Republic of the Marshall Islands has created the world's biggest shark reserve: so large that all of Mexico could fit comfortably inside.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/marshall-islands-creates-worlds-biggest-shark-park
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/planet-ark-australia
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/fish
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/marine-life
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mexico
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/fisheries
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/maldives
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/honduras