{"id":350357,"date":"2025-11-20T15:51:32","date_gmt":"2025-11-20T10:21:32","guid":{"rendered":"https:\/\/forumias.com\/blog\/?p=350357"},"modified":"2025-11-20T15:51:32","modified_gmt":"2025-11-20T10:21:32","slug":"dolphin-assisted-cast-net-fishing","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/dolphin-assisted-cast-net-fishing\/","title":{"rendered":"Dolphin-Assisted Cast Net Fishing"},"content":{"rendered":"<p><strong>N<\/strong><strong>ews<\/strong><strong>:<\/strong> Scientists and conservationists launched an international project on cooperation between wild dolphins and fishers in Ashtamudi Lake, Kerala.<\/p>\n<h2>About Dolphin-Assisted Cast Net Fishing<\/h2>\n<figure id=\"attachment_350358\" aria-describedby=\"caption-attachment-350358\" style=\"width: 335px\" class=\"wp-caption aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\" wp-image-350358\" src=\"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/11\/Source-News-Scientist.jpg?resize=335%2C220&#038;ssl=1\" alt=\"Dolphin-Assisted Cast Net Fishing\" width=\"335\" height=\"220\" srcset=\"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/11\/Source-News-Scientist.jpg?resize=300%2C197&amp;ssl=1 300w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/11\/Source-News-Scientist.jpg?resize=1024%2C673&amp;ssl=1 1024w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/11\/Source-News-Scientist.jpg?resize=768%2C505&amp;ssl=1 768w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/11\/Source-News-Scientist.jpg?w=1129&amp;ssl=1 1129w\" sizes=\"auto, (max-width: 335px) 100vw, 335px\" \/><figcaption id=\"caption-attachment-350358\" class=\"wp-caption-text\">Source &#8211; News Scientist<\/figcaption><\/figure>\n<ul>\n<li>Dolphin-assisted cast net fishing is a unique, <strong>cooperative fishing technique<\/strong> where <strong>wild dolphins and human fishermen work together<\/strong> to <strong>increase fish catch efficiency.<\/strong><\/li>\n<li><strong>Mechanism used<\/strong>\n<ul>\n<li>The <strong>Humpback dolphins<\/strong> <strong>rush and zigzag towards mullet<\/strong> (medium-sized, silvery fish), tossing fish into the air and <strong>chasing them towards the shore.<\/strong><\/li>\n<li><strong>Traditional cast net fishermen<\/strong> closely watch these movements and <strong>cast their nets in front<\/strong> of the advancing dolphins, matching the direction and timing of the chase.<\/li>\n<li>This <strong>coordinated behaviour<\/strong> creates a form of <strong>mutualism<\/strong>, where <strong>fishermen get a much better catch<\/strong> of mullet, while <strong>dolphins also benefit through more successful foraging<\/strong> on their preferred prey.<\/li>\n<li>This mutualism between dolphins and fishermen has been reported from <strong>Brazil and Myanmar <\/strong>also<strong>.<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>About Humpback Dolphins<\/h2>\n<figure id=\"attachment_350359\" aria-describedby=\"caption-attachment-350359\" style=\"width: 526px\" class=\"wp-caption aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"wp-image-350359\" src=\"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/11\/Source-Int.-Whaling-Comm.jpg?resize=526%2C268&#038;ssl=1\" alt=\"Humpback Dolphins\" width=\"526\" height=\"268\" srcset=\"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/11\/Source-Int.-Whaling-Comm.jpg?resize=300%2C153&amp;ssl=1 300w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/11\/Source-Int.-Whaling-Comm.jpg?resize=1024%2C523&amp;ssl=1 1024w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/11\/Source-Int.-Whaling-Comm.jpg?resize=768%2C392&amp;ssl=1 768w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/11\/Source-Int.-Whaling-Comm.jpg?resize=1536%2C784&amp;ssl=1 1536w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/11\/Source-Int.-Whaling-Comm.jpg?resize=1568%2C801&amp;ssl=1 1568w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/11\/Source-Int.-Whaling-Comm.jpg?w=1663&amp;ssl=1 1663w\" sizes=\"auto, (max-width: 526px) 100vw, 526px\" \/><figcaption id=\"caption-attachment-350359\" class=\"wp-caption-text\">Source &#8211; Int. Whaling Comm.<\/figcaption><\/figure>\n<ul>\n<li><strong>Type of species: <\/strong>\u00a0There are <strong>four recognized species<\/strong> of humpback dolphins &#8211;\n<ul>\n<li><strong>Indo-Pacific<\/strong> humpback dolphin (<em>Sousa chinensis<\/em>)<\/li>\n<li><strong>Indian Ocean<\/strong> humpback dolphin (<em>S. plumbea<\/em>)<\/li>\n<li><strong>Atlantic <\/strong>humpback dolphin (<em>S. teuszi<\/em>)<\/li>\n<li><strong>Australian<\/strong> humpback dolphin (<em>S. sahulensis<\/em>)<\/li>\n<\/ul>\n<\/li>\n<li><strong>Habitat:<\/strong> They are found in <strong>relatively shallow nearshore waters<\/strong> throughout their range which includes most of the <strong>coastlines in Australia, Africa and Asia.<\/strong>\n<ul>\n<li><strong>The Indian Ocean humpback dolphin (<\/strong><strong><em>Sousa plumbea<\/em><\/strong><strong>) <\/strong>is particularly seen along the <strong>Kerala coast.<\/strong><\/li>\n<\/ul>\n<\/li>\n<li><strong>Conservation Status of <\/strong><strong>Indian Ocean Humpback Dolphin<\/strong>\n<ul>\n<li>It is considered as &#8216;<strong>Endangered&#8217; by the ICUN.<\/strong><\/li>\n<li>It is within <strong>Schedule I of the Wild Life (Protection) Act, 1972<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<table style=\"width: 93.7922%;border-collapse: collapse;border-style: solid;height: 177px\">\n<tbody>\n<tr style=\"height: 177px\">\n<td style=\"width: 100%;height: 177px\">\n<h2 style=\"text-align: center\">Conservation Status of Humpback Dolphins<\/h2>\n<ul>\n<li>Atlantic humpback dolphin &#8211; critically endangered<\/li>\n<li>Indian ocean humpback dolphin &#8211; endangered<\/li>\n<li>Indo-Pacific humpback dol\u00adphin- vulnerable<\/li>\n<li>Australian humpback dolphin &#8211; vulnerable<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>News: Scientists and conservationists launched an international project on cooperation between wild dolphins and fishers in Ashtamudi Lake, Kerala. About Dolphin-Assisted Cast Net Fishing Dolphin-assisted cast net fishing is a unique, cooperative fishing technique where wild dolphins and human fishermen work together to increase fish catch efficiency. Mechanism used The Humpback dolphins rush and zigzag&hellip; <a class=\"more-link\" href=\"https:\/\/forumias.com\/blog\/dolphin-assisted-cast-net-fishing\/\">Continue reading <span class=\"screen-reader-text\">Dolphin-Assisted Cast Net Fishing<\/span><\/a><\/p>\n","protected":false},"author":10393,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[1566,4182,11209,12039,11834],"tags":[11872],"class_list":["post-350357","post","type-post","status-publish","format-standard","hentry","category-daily-factly-articles","category-environment","category-geography-in-news","category-knolls","category-species-in-news","tag-9pm-daily-factly","entry"],"jetpack_featured_media_url":"","views":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/350357","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/users\/10393"}],"replies":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/comments?post=350357"}],"version-history":[{"count":0,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/350357\/revisions"}],"wp:attachment":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media?parent=350357"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/categories?post=350357"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/tags?post=350357"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}