{"id":2841,"date":"2026-07-21T14:26:02","date_gmt":"2026-07-21T08:56:02","guid":{"rendered":"https:\/\/theindianview.in\/en\/?p=2841"},"modified":"2026-07-21T14:26:02","modified_gmt":"2026-07-21T08:56:02","slug":"scientists-discovered-an-underwater-city-of-60-million-fish-nests-beneath-antarcticas-ice-shelf","status":"publish","type":"post","link":"https:\/\/theindianview.in\/en\/scientists-discovered-an-underwater-city-of-60-million-fish-nests-beneath-antarcticas-ice-shelf\/","title":{"rendered":"Scientists discovered an underwater city of 60-million fish nests beneath Antarctica&#8217;s ice shelf"},"content":{"rendered":"\n<p><strong>New<\/strong> <strong>Delhi ( The Indian View team) : <\/strong>Hidden beneath hundreds of metres of Antarctic ice lies one of the planet&#8217;s most extraordinary wildlife spectacles. After drilling through the Filchner Ice Shelf, scientists deployed an autonomous underwater robot into the dark waters below, where it revealed what can only be described as an underwater city, a sprawling breeding colony covering an area roughly the size of Orlando, Florida. <\/p>\n\n\n\n<p>Spread across the seafloor were an estimated 60 million nests, each carefully built and guarded by transparent, antifreeze-blooded Antarctic icefish. Yet this remarkable nursery is also the setting for a relentless struggle for survival, as hungry Weddell seals transform the breeding season into a deadly feeding ground. <\/p>\n\n\n\n<p>The discovery is reshaping scientists&#8217; understanding of Antarctica&#8217;s hidden ecosystems and their importance to the Southern Ocean. It also highlights how much of Antarctica&#8217;s underwater world remains unexplored, with future expeditions likely to uncover even more hidden ecosystems beneath the continent&#8217;s vast ice shelves.<\/p>\n\n\n\n<p>The vast breeding colony lies beneath the Filchner Ice Shelf in the southern Weddell Sea, one of the most remote and inaccessible marine environments on Earth.<\/p>\n\n\n\n<p>The colony was first identified during a 2021 expedition led by Dr Autun Purser of the Alfred Wegener Institute (AWI), Helmholtz Centre for Polar and Marine Research, using the Ocean Floor Observation and Bathymetry System (OFOBS). The team&#8217;s findings revealed an astonishing concentration of nests extending across approximately 240 square kilometres, an area comparable to the size of Orlando. <\/p>\n\n\n\n<p>The researchers estimated that the site contains around 60 million active nests, making it the largest fish breeding colony ever discovered.More recently, AWI scientists returned with LASSIE (Low-Altitude Survey System for Icefish), an autonomous underwater vehicle specifically designed to monitor the colony beneath the ice shelf. Operating continuously for 48 hours, LASSIE confirmed that both the colony&#8217;s size and nesting density have remained remarkably stable since the original discovery, providing researchers with the first long-term baseline for monitoring this unique ecosystem.<\/p>\n\n\n\n<p>The colony belongs to the blackfin icefish (Neopagetopsis ionah), one of Antarctica&#8217;s most unusual fish species. Icefish are famous for lacking haemoglobin, the red protein that carries oxygen in the blood of almost every other vertebrate. As a result, their blood appears almost transparent. They also produce specialised antifreeze glycoproteins that prevent ice crystals from forming inside their bodies, allowing them to survive in seawater that remains below the normal freezing point of fresh water. These remarkable adaptations have enabled the species to thrive in one of the planet&#8217;s coldest and most extreme marine environments.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>New Delhi ( The Indian View team) : Hidden beneath hundreds of metres of Antarctic ice lies one of the planet&#8217;s most extraordinary wildlife spectacles. After drilling through the Filchner Ice Shelf, scientists deployed an autonomous underwater robot into the dark waters below, where it revealed what can only be described as an underwater city, &hellip;<\/p>\n","protected":false},"author":2,"featured_media":2842,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-2841","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-environment"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Scientists discovered an underwater city of 60-million fish nests beneath Antarctica&#039;s ice shelf - The Indian View - English News<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/theindianview.in\/en\/scientists-discovered-an-underwater-city-of-60-million-fish-nests-beneath-antarcticas-ice-shelf\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Scientists discovered an underwater city of 60-million fish nests beneath Antarctica&#039;s ice shelf - The Indian View - English News\" \/>\n<meta property=\"og:description\" content=\"New Delhi ( The Indian View team) : Hidden beneath hundreds of metres of Antarctic ice lies one of the planet&#8217;s most extraordinary wildlife spectacles. 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