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Pseudoliparis amblystomopsis, or the hadal snailfish, is a species of snailfish from the hadal zone of the Northwest Pacific Ocean, [1] including the Kuril–Kamchatka and Japan Trenches. [ 2 ] In October 2008, a team from British and Japanese institutes discovered a shoal of Pseudoliparis amblystomopsis at a depth of about 7,700 m (25,300 ft ...
The species has a slender and elongated body with a tadpole-shape, typical of snailfish species. The body lacks scales and instead has smooth, gelatinous skin that aids in withstanding the immense pressure of the deep-sea environment. The gelatinous layer has a lower ion concentration than other body fluids to increase buoyancy. [12] In the ...
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The world's deepest fish ever filmed has been caught on camera by scientists from The University of Western Australia (UWA) and Japan at a depth of more than eight kilometres underwater. An ...
Only one other species of fish has been recorded from depths in excess of 8,000 m (26,000 ft), the so-called ethereal snailfish (living in the same region as Pseudoliparis swirei but somewhat deeper), but it has only been seen on film and remain undescribed. [6]
Pseudoliparis are native to the hadal zone of the ocean. They have been observed swimming at extreme depths of 8,336 metres (27,349 ft; 5.180 mi), in very deep ocean trenches of the Pacific Ocean, [ 4 ] [ 5 ] including the Izu-Ogasawara Trench and the Mariana Trench .
Species of deep-sea snailfish have been studied and compared to other ray-finned fishes (also known as teleosts) to analyze their adaptions to deep-sea conditions. The genomes of both the Yap hadal snailfish and Mariana hadal snailfish have been found to contain an abundance of the fmo3 gene, which produces the trimethylamine N-oxide (TMAO) protein stabilizer.
Notoliparis kermadecensis (from Greek: noton, back, and liparos, fat) is a species of snailfish (Liparidae) that lives in the deep sea.Endemic to the Kermadec Trench in the Southwest Pacific, it is hadobenthic with a depth range between 6,474 and 7,561 m (21,240–24,806 ft), [1] and can reach a standard length of up to 25.8 cm (10.2 in).