Protist-dominated hard substrate faunas thrive at the deepest ocean depths.
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| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Artículo científico |
| Language: | en |
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Science (New York, N.Y.)
2026
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| _version_ | 1868266048921272321 |
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| author | Song, Xikun Gooday, Andrew J Gordon, Dennis P Leduc, Daniel Sun, Yike Wang, Zizhu He, Qian Gao, Zhaoming Ruthensteiner, Bernhard Waeschenbach, Andrea Schwaha, Thomas Lin, Xiaolan Zhang, Hanyu Rowden, Ashley Xu, Hengchao Liu, Shuangquan Chen, Shun Meng, Liang Li, Dee Alfiansah, Yustian Rovi Guo, Huijie Du, Mengran Peng, Xiaotong |
| author_facet | Song, Xikun Gooday, Andrew J Gordon, Dennis P Leduc, Daniel Sun, Yike Wang, Zizhu He, Qian Gao, Zhaoming Ruthensteiner, Bernhard Waeschenbach, Andrea Schwaha, Thomas Lin, Xiaolan Zhang, Hanyu Rowden, Ashley Xu, Hengchao Liu, Shuangquan Chen, Shun Meng, Liang Li, Dee Alfiansah, Yustian Rovi Guo, Huijie Du, Mengran Peng, Xiaotong Song, Xikun Gooday, Andrew J Gordon, Dennis P Leduc, Daniel Sun, Yike Wang, Zizhu He, Qian Gao, Zhaoming Ruthensteiner, Bernhard Waeschenbach, Andrea Schwaha, Thomas Lin, Xiaolan Zhang, Hanyu Rowden, Ashley Xu, Hengchao Liu, Shuangquan Chen, Shun Meng, Liang Li, Dee Alfiansah, Yustian Rovi Guo, Huijie Du, Mengran Peng, Xiaotong |
| collection | PubMed - marine biology |
| contents | Protist-dominated hard substrate faunas thrive at the deepest ocean depths. Song, Xikun Gooday, Andrew J Gordon, Dennis P Leduc, Daniel Sun, Yike Wang, Zizhu He, Qian Gao, Zhaoming Ruthensteiner, Bernhard Waeschenbach, Andrea Schwaha, Thomas Lin, Xiaolan Zhang, Hanyu Rowden, Ashley Xu, Hengchao Liu, Shuangquan Chen, Shun Meng, Liang Li, Dee Alfiansah, Yustian Rovi Guo, Huijie Du, Mengran Peng, Xiaotong Animals Biodiversity Foraminifera Geologic Sediments Heterotrophic Processes Oceans and Seas Deep-sea hard substrates host faunal novelties and distinct evolutionary lineages. However, sessile organisms on rocks are difficult to sample and largely unknown at extreme hadal depths. Here, we report a deep hard-substrate fauna (9000 to 10,898 meters), comprising 32 species of six protist and metazoan phyla, most millimeter-sized and new to science, from the Kermadec and Mariana trenches, using the manned submersible . We show that the filamentous organisms dominating these assemblages are heterotrophic foraminiferans, challenging the earlier chemolithoautotrophic hypothesis. Large-scale seafloor imaging and sampling suggest that similar protistan-dominated sessile communities thrive in seven hadal regions around Oceania. These faunas open new perspectives on biodiversity at the deepest ocean depths and unveil widespread, but previously unrecognized, carbon hotspots in global hadal trenches. |
| format | Artículo científico |
| id | pubmed_42133766 |
| institution | PubMed |
| language | en |
| publishDate | 2026 |
| publisher | Science (New York, N.Y.) |
| record_format | pubmed |
| spellingShingle | Protist-dominated hard substrate faunas thrive at the deepest ocean depths. Song, Xikun Gooday, Andrew J Gordon, Dennis P Leduc, Daniel Sun, Yike Wang, Zizhu He, Qian Gao, Zhaoming Ruthensteiner, Bernhard Waeschenbach, Andrea Schwaha, Thomas Lin, Xiaolan Zhang, Hanyu Rowden, Ashley Xu, Hengchao Liu, Shuangquan Chen, Shun Meng, Liang Li, Dee Alfiansah, Yustian Rovi Guo, Huijie Du, Mengran Peng, Xiaotong Animals Biodiversity Foraminifera Geologic Sediments Heterotrophic Processes Oceans and Seas Protist-dominated hard substrate faunas thrive at the deepest ocean depths. Song, Xikun Gooday, Andrew J Gordon, Dennis P Leduc, Daniel Sun, Yike Wang, Zizhu He, Qian Gao, Zhaoming Ruthensteiner, Bernhard Waeschenbach, Andrea Schwaha, Thomas Lin, Xiaolan Zhang, Hanyu Rowden, Ashley Xu, Hengchao Liu, Shuangquan Chen, Shun Meng, Liang Li, Dee Alfiansah, Yustian Rovi Guo, Huijie Du, Mengran Peng, Xiaotong Animals Biodiversity Foraminifera Geologic Sediments Heterotrophic Processes Oceans and Seas Deep-sea hard substrates host faunal novelties and distinct evolutionary lineages. However, sessile organisms on rocks are difficult to sample and largely unknown at extreme hadal depths. Here, we report a deep hard-substrate fauna (9000 to 10,898 meters), comprising 32 species of six protist and metazoan phyla, most millimeter-sized and new to science, from the Kermadec and Mariana trenches, using the manned submersible . We show that the filamentous organisms dominating these assemblages are heterotrophic foraminiferans, challenging the earlier chemolithoautotrophic hypothesis. Large-scale seafloor imaging and sampling suggest that similar protistan-dominated sessile communities thrive in seven hadal regions around Oceania. These faunas open new perspectives on biodiversity at the deepest ocean depths and unveil widespread, but previously unrecognized, carbon hotspots in global hadal trenches. |
| title | Protist-dominated hard substrate faunas thrive at the deepest ocean depths. |
| topic | Animals Biodiversity Foraminifera Geologic Sediments Heterotrophic Processes Oceans and Seas |
| url | https://pubmed.ncbi.nlm.nih.gov/42133766/ |