Deepest fish [Video]

By | 2018-05-29T03:04:33+00:00 April 7, 2017|Records, Underwater Imaging|

Deepest fish [Video]

Last updated: May 29, 2018 at 3:04 am

8,178 m (26,831 ft) — Marine scientists from the Japan Agency for Marine-Earth Science and Technology presented new video footage of the Mariana snailfish (Pseudoliparis swirei) in the Mariana Trench in August 2017. The researchers obtained the images using a lander robot launched by JAMSTEC’s research vessel Kairei. Mackerel placed in front of the lander frame attracted deep-sea organisms, including a swimming snailfish that was captured on video at the depth of 8,178 m. The depth was determined using a conductivity, temperature and pressure (CTD) sensor installed on the lander. The fish appeared 17 hours and 37 minutes after lander placement.

The Mariana snailfish (Pseudoliparis swirei) was first filmed by the University of Aberdeen’s Oceanlab in 2014 (see below). Pseudoliparis swirei, which is also known as Swire’s snailfish, was named for Herbert Swire, the First Navigating Sub-Lieutenant of HMS Challenger, which was the first oceanographic vessel to sound the deepest point of the world ocean, thereafter named the Challenger Deep.

PREVIOUS RECORD: 8,152 m (26,745 ft) — Marine scientists from the Chinese Academy of Sciences recorded video footage of a lionfish in the Yap Trench in 2017.

PREVIOUS RECORD: 8,145 m (26,722 ft) — Marine scientists from the University of Aberdeen’s Oceanlab recorded the first video footage of the Mariana snailfish (Pseudoliparis swirei) in the Mariana Trench in 2014. The researchers obtained the images using the UK’s deepest diving vehicle, the Hadal-Lander.


EDITOR’S NOTE
The deepest fish on video is not the deepest fish ever observed nor the deepest fish collected.
JAMSTEC Press Release
Gerringer, Mackenzie & Linley, Thomas & J. JAMIESON, ALAN & Goetze, Erica & Drazen, Jeffrey. (2017). Pseudoliparis swirei sp. Nov.: A newly-discovered hadal snailfish (Scorpaeniformes: Liparidae) from the Mariana Trench. Zootaxa. 4358. 161. 10.11646/zootaxa.4358.1.7.
Oceanlab, University of Aberdeen | Mariana Trench – 8145m – New Snailfish (2014) | YouTube

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Jeffrey Gallant is the Editor-in-Chief and Records Keeper of the Diving Almanac. He is also a contributing editor of DIVER Magazine, and the scientific director of the Greenland Shark and Elasmobranch Education and Research Group (GEERG). Jeffrey started diving in 1982.

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