A total of 13 fish sanctuaries have been established at the Hakaluki Haor to protect threatened fish and fish resources in the country.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/fish-sanctuaries-hakaluki
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/new-age-bangladesh
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wetlands
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/fish
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sanctuaries
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/biodiversity
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bangladesh