{"id":582651,"date":"2026-04-14T00:55:09","date_gmt":"2026-04-14T00:55:09","guid":{"rendered":"https:\/\/www.newsbeep.com\/us\/582651\/"},"modified":"2026-04-14T00:55:09","modified_gmt":"2026-04-14T00:55:09","slug":"scientists-discover-new-marine-species-hiding-in-south-koreas-deepest-coastal-waters","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/us\/582651\/","title":{"rendered":"Scientists Discover New Marine Species Hiding in South Korea\u2019s Deepest Coastal Waters"},"content":{"rendered":"

cientists in South Korea have uncovered a new species of chiton, a small armored mollusk that has remained hidden in plain sight for millions of years. This remarkable find, described in a study published in Marine Life Science & Technology, highlights the ability of even ancient and seemingly unchanged creatures to harbor unknown species, waiting to be revealed through advanced genetic analysis.<\/p>\n

The Hidden Species: A Chiton Undercover<\/p>\n

For centuries, chitons, those small, armored creatures clinging to rocky tidal flats, have been largely unchanged in appearance. But scientists in South Korea have recently revealed that one such chiton, often mistaken for a familiar species, actually represents an entirely new one. The creature<\/a>, Acanthochitona feroxa, was found on the muddy shores of the country\u2019s west and south coasts, living under stones and blending so seamlessly into its environment that it had remained unnoticed for generations.<\/p>\n

Through a combination of genetic testing and meticulous fieldwork, researchers from Kyungpook National University (KNU) were able to distinguish this hidden species from its lookalikes. The unique molecular markers of A. feroxa were revealed through mitochondrial DNA sequencing, which offered a level of insight that visual identification alone could not provide.<\/p>\n

\u201cThe discovery of Acanthochitona feroxa challenges our understanding of how new species can remain hidden within populations that appear nearly identical on the surface,\u201d said Ui Wook Hwang, Ph.D., a biologist at KNU and lead author of the study. \u201cThese findings contribute to the understanding of speciation and phylogenetic relationships within the Acanthochitonidae.\u201d<\/p>\n

The findings, detailed in Marine Life Science & Technology<\/a>, underscore the importance of genetic analysis in the modern age of species discovery, where external similarities can mask deeper evolutionary distinctions.<\/p>\n

\"42995Morphology and mitochondrial genome-based analysis of the systematics and evolution of\u00a0Acanthochitona\u00a0species (Polyplacophora: Acanthochitonidae)
Credit: Marine Life Science & Technology<\/p>\n

Unveiling the New Species: Genetic Evidence<\/p>\n

At the heart of the discovery lies DNA analysis. The research team relied on mitochondrial DNA to investigate the genetic makeup of the chiton species found in South Korea. Mitochondrial DNA, which is inherited maternally, proved crucial in differentiating Acanthochitona feroxa from other species that shared similar shell structures.<\/p>\n

In addition to mitochondrial DNA, the team used a short genetic marker known as COI (cytochrome oxidase I), a gene frequently used in species identification. Their analysis revealed that while A. feroxa looked strikingly similar to Acanthochitona defilippii, a previously known species, the genetic differences were significant. By comparing the sequences of 295 animals from South Korean shores and global databases, the researchers were able to identify distinct genetic groups that separated A. feroxa from its close relatives.<\/p>\n

The study\u2019s findings also cast new light on the evolutionary history of the chiton genus. The team traced the species\u2019 evolutionary roots back to the Late Cretaceous period, more than 80 million years ago, when marine environments were more expansive, allowing for greater diversification.<\/p>\n

\"42995Morphological comparison of five\u00a0Acanthochitona\u00a0species. Valves I, V, and VIII were photographed under a light microscope mounted with a Leica MC190 HD camera and processed using Helicon Focus v8.2.2. Dorsal girdle tufts, the lateropleural area of valve V tegmentum, dorsal girdle spicules, and radula were imaged using a Hitachi SU8220 field emission scanning electron microscope. Credit: Marine Life Science & Technology<\/p>\n

An Ancient Animal Plan That Hides New Species<\/p>\n

The key to understanding why Acanthochitona feroxa went unnoticed for so long lies in the creature\u2019s ancient design. Chitons have maintained a stable and recognizable body plan for around 300 million years. Their eight overlapping shell plates give them the ability to cling to surfaces, protecting them from predators and rough currents. This ancient body design makes it difficult to differentiate species that share the same general features.<\/p>\n

Yet, A. feroxa demonstrates that even creatures with long evolutionary histories can harbor new species within familiar forms. The species was named for its fierce, bristling appearance, characterized by sharp spines and an intricate arrangement of shell granules. These features, when examined closely under magnification, set A. feroxa apart from its closest relatives, adding a layer of intrigue to its story.<\/p>\n

Hwang\u2019s team hopes that their discovery will inspire further exploration of similar coastal habitats. \u201cBy using genetic markers and high-resolution imaging, we can now more confidently differentiate between species that may look alike at first glance,\u201d Hwang noted.<\/p>\n","protected":false},"excerpt":{"rendered":"cientists in South Korea have uncovered a new species of chiton, a small armored mollusk that has remained…\n","protected":false},"author":2,"featured_media":582652,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[79],"class_list":{"0":"post-582651","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-science","8":"tag-science"},"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/posts\/582651","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/comments?post=582651"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/posts\/582651\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/media\/582652"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/media?parent=582651"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/categories?post=582651"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/tags?post=582651"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}