{"id":220944,"date":"2025-08-25T20:05:23","date_gmt":"2025-08-26T01:05:23","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/08\/rising-deep-ocean-oxygen-levels-likely-opened-up-new-marine-habitats-and-spurred-speciation"},"modified":"2025-08-25T20:05:23","modified_gmt":"2025-08-26T01:05:23","slug":"rising-deep-ocean-oxygen-levels-likely-opened-up-new-marine-habitats-and-spurred-speciation","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/08\/rising-deep-ocean-oxygen-levels-likely-opened-up-new-marine-habitats-and-spurred-speciation","title":{"rendered":"Rising deep-ocean oxygen levels likely opened up new marine habitats and spurred speciation"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/rising-deep-ocean-oxygen-levels-likely-opened-up-new-marine-habitats-and-spurred-speciation2.jpg\"><\/a><\/p>\n<p>Some 390 million years ago in the ancient ocean, marine animals began colonizing depths previously uninhabited. New research indicates this underwater migration occurred in response to a permanent increase in deep-ocean oxygen, driven by the above-ground spread of woody plants\u2014precursors to Earth\u2019s first forests.<\/p>\n<p>That rise in oxygen coincided with a period of remarkable diversification among fish with jaws\u2014the ancestors of most vertebrates alive today. The finding suggests that oxygenation might have shaped evolutionary patterns among prehistoric species.<\/p>\n<p>The study is <a href=\"https:\/\/pnas.org\/doi\/10.1073\/pnas.2501342122\" target=\"_blank\">published<\/a> in the journal Proceedings of the National Academy of Sciences.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Some 390 million years ago in the ancient ocean, marine animals began colonizing depths previously uninhabited. New research indicates this underwater migration occurred in response to a permanent increase in deep-ocean oxygen, driven by the above-ground spread of woody plants\u2014precursors to Earth\u2019s first forests. That rise in oxygen coincided with a period of remarkable diversification [\u2026]<\/p>\n","protected":false},"author":732,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15,17],"tags":[],"class_list":["post-220944","post","type-post","status-publish","format-standard","hentry","category-habitats","category-sustainability"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/220944","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/732"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=220944"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/220944\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=220944"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=220944"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=220944"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}