{"id":297988,"date":"2024-06-04T18:17:13","date_gmt":"2024-06-04T12:47:13","guid":{"rendered":"https:\/\/forumias.com\/blog\/?p=297988"},"modified":"2024-06-04T18:17:13","modified_gmt":"2024-06-04T12:47:13","slug":"diadromous-fish","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/diadromous-fish\/","title":{"rendered":"Diadromous fish"},"content":{"rendered":"<p><strong>Source-<\/strong> This post on\u00a0<strong>Diadromous fish <\/strong>has been created based on the article<a href=\"https:\/\/www.downtoearth.org.in\/news\/wildlife-biodiversity\/fish-moving-between-marine-freshwater-ecosystems-have-designated-protected-areas-but-no-protection-in-them-study-96402\" target=\"_blank\" rel=\"noopener\"><strong> &#8220;Fish moving between marine &amp; freshwater ecosystems have designated protected areas, but no protection in them: Study&#8221; <\/strong><\/a>published in\u00a0<strong>\u201cDown to Earth\u201d<\/strong> on 29th May 2024.<\/p>\n<h2>Why in News?<\/h2>\n<div class=\"content user-select-text\" tabindex=\"0\" role=\"heading\" aria-level=\"6\" aria-description=\"\" aria-label=\"Sent by Copilot: In a study published in the **British Ecological Society\u2019s Journal of Applied Ecology**, researchers discovered that **marine protected areas (MPAs) designated to safeguard diadromous fish species** **did not align with their core habitats**. This finding highlights the need for better coordination and planning to ensure effective conservation efforts for these migratory fish. \ud83d\udc1f\ud83c\udf0a\">\n<div class=\"ac-container ac-adaptiveCard\">\n<div class=\"ac-textBlock\">\n<p>Recently, a study was published in the British Ecological Society\u2019s Journal of Applied Ecology. The researchers discovered that <span style=\"color: #ff0000;\">marine protected areas (MPAs) designated to safeguard diadromous fish species did not align with their core habitats<\/span>.<\/p>\n<p>This finding highlights the need for better coordination and planning to ensure effective conservation efforts for these migratory fish.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<h2>About Diadromous fish<\/h2>\n<figure style=\"width: 545px\" class=\"wp-caption aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/i0.wp.com\/cdn.downtoearth.org.in\/library\/large\/2024-05-29\/0.36032100_1716967102_istock-941254224.jpg?resize=545%2C301&#038;ssl=1\" alt=\"Diadromous fish\" width=\"545\" height=\"301\" \/><figcaption class=\"wp-caption-text\">Source: Down To Earth<\/figcaption><\/figure>\n<table style=\"width: 100%; border-collapse: collapse; border-style: solid;\">\n<tbody>\n<tr>\n<td style=\"width: 18.0098%;\"><strong>Aspects<\/strong><\/td>\n<td style=\"width: 81.9902%;\"><strong>Description<\/strong><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 18.0098%;\"><strong>About<\/strong><\/td>\n<td style=\"width: 81.9902%;\">1. Diadromous fish are <span style=\"color: #ff0000;\">those species that migrate between saltwater and freshwater environments.<\/span><br \/>\n2. They <span style=\"color: #ff0000;\">move back and forth between the ocean and rivers or streams<\/span> during different stages of their lives.<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 18.0098%;\"><strong>Types of Diadromous Fish<\/strong><\/td>\n<td style=\"width: 81.9902%;\"><strong>1) Anadromous Fish:<\/strong> These fish are<span style=\"color: #ff0000;\"> born in freshwater.<\/span> As juveniles, they migrate to the ocean, where they grow into adults. Later, they return to freshwater to spawn (lay eggs).<br \/>\n<strong>2) Catadromous Fish:<\/strong> These <span style=\"color: #ff0000;\">fish are born in saltwater.<\/span> As juveniles, they move into freshwater, where they mature into adults. Eventually, they migrate back to the ocean to spawn.<br \/>\n<strong>3) Amphidromous Fish:<\/strong> These fish are <span style=\"color: #ff0000;\">born in freshwater or estuaries (where freshwater meets the sea).<\/span> Initially, they drift into the ocean as larvae. Later, they return to freshwater to grow into adults and spawn.<br \/>\n<strong>4) Potamodromous Fish:<\/strong> These fish are <span style=\"color: #ff0000;\">born in upstream freshwater habitats (upstream areas of rivers).<\/span> As juveniles, they migrate downstream within freshwater to grow into adults. Finally, they migrate back upstream to spawn.<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 18.0098%;\"><strong>Threats to Diadromous Fish<\/strong><\/td>\n<td style=\"width: 81.9902%;\">Diadromous fish face various human-induced pressures:<br \/>\n<strong>i) Agricultural and pollutant runoffs:<\/strong> Contaminants from agriculture and other sources can harm their habitats.<br \/>\n<strong>ii) Habitat destruction:<\/strong> Dam construction and land development impact their migration routes.<br \/>\n<strong>iii) Barriers to migration:<\/strong> Dams, weirs, and other structures hinder their movement.<br \/>\n<strong>iv) Fishing and bycatch:<\/strong> Overfishing and accidental capture affect their populations.<br \/>\n<strong>v) Climate change:<\/strong> Altered water temperatures and habitats impact their survival.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>UPSC Syllabus: Science and technology<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Source- This post on\u00a0Diadromous fish has been created based on the article &#8220;Fish moving between marine &amp; freshwater ecosystems have designated protected areas, but no protection in them: Study&#8221; published in\u00a0\u201cDown to Earth\u201d on 29th May 2024. Why in News? Recently, a study was published in the British Ecological Society\u2019s Journal of Applied Ecology. The&hellip; <a class=\"more-link\" href=\"https:\/\/forumias.com\/blog\/diadromous-fish\/\">Continue reading <span class=\"screen-reader-text\">Diadromous fish<\/span><\/a><\/p>\n","protected":false},"author":10366,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[1566,1738],"tags":[11872,10504],"class_list":["post-297988","post","type-post","status-publish","format-standard","hentry","category-daily-factly-articles","category-science-and-technology-daily-factly-articles","tag-9pm-daily-factly","tag-down-to-earth","entry"],"jetpack_featured_media_url":"","views":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/297988","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\/10366"}],"replies":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/comments?post=297988"}],"version-history":[{"count":0,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/297988\/revisions"}],"wp:attachment":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media?parent=297988"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/categories?post=297988"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/tags?post=297988"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}