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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]
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There are over 300 species of Snailfish. While many live in shallow waters (tidepools) and river estuaries, some have adapted to the cold water, as well as the high-pressure depths of the world's deepest trenches over 7,000m. [8] In general, the snailfish (notably genus Pseudoliparis) is the most common and dominant family in the hadal zone. [4]
An unknown snailfish species of the genus Pseudoliparis was filmed in the Izu-Ogasawara Trench, south of Japan, at a depth of 8,336m during a two-month long expedition. ... The world's deepest ...
Scientists studying deep-sea anglerfish have long known about the bizarre mismatch between the species’ whiskered females and teeny-tiny males. But they’ve never captured video of live fish ...
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 ...
On this dive, Prof. Michibayashi became the deepest-diving Japanese person in history. [4] Also in August 2022, the deepest fish ever recorded on camera was filmed in the trench, a juvenile snailfish, at a depth of 8,336 meters. [5] The xenophyophore Occultammina was first discovered at a depth of 8260 metres in the trench. [6]
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.