Bluesky Facebook Reddit Email

Video and audio monitoring of the Arctic seafloor captures rarely seen phenomena: fish swimming backwards, narwhal calls nearby, and a beautiful array of deep-sea dwellers and tide-driven "marine snow”

05.06.26 | PLOS

Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.
Seafloor video-acoustic monitoring in a Greenlandic glacial fjord records hyperbenthos, backward-swimming fish, and narwhals
Examples of observed organisms in front of the camera, with the mooring line and SoundTrap in the background. (A) copepod, (B) comb jelly (Ctenophora), (C) arrowworm (Chaetognatha), (D) unidentified organism, (E) juvenile fish, (F) snailfish (Liparidae), (G) shrimp (Decapoda), and (H) jellyfish (Hydrozoa). Credit: Podolskiy et al., 2026, PLOS One, CC-BY 4.0 (https://creativecommons.org/licenses/by/4.0/)

Video and audio monitoring of the Arctic seafloor captures rarely seen phenomena: fish swimming backwards, narwhal calls nearby, and a beautiful array of deep-sea dwellers and tide-driven "marine snow”

Article URL : https://plos.io/4vP4Sei

Article title: Seafloor video-acoustic monitoring in a Greenlandic glacial fjord records hyperbenthos, backward-swimming fish, and narwhals

Author countries: Japan

Funding: This study was financially supported by the Arctic Challenge for Sustainability research project ( https://www.nipr.ac.jp/arcs/e ) in the form of a grant (ArCS-III; JPMXD1720251001) received by EAP, MO, KH, MT, SS, and YM. This study was also financially supported by JSPS Grants-in-Aid for Scientific Research ( https://www.jsps.go.jp/english/e-grants/ ) in the form of a grant (KAKENHI 24K02093) received by EAP, SS, KH and YM. This study was also financially supported by JSPS Grants-in-Aid for Scientific Research in the form of a grant (25H00452) received by SS and EAP. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

PLOS One

10.1371/journal.pone.0347193

Seafloor video-acoustic monitoring in a Greenlandic glacial fjord records hyperbenthos, backward-swimming fish, and narwhals

6-May-2026

The authors have declared that no competing interests exist.

Additional Media

Video taken during the deployment and descent of the upward-looking camera with red lights to the seafloor. Credit: Evgeny A. Podolskiy, CC-BY 4.0 (https://creativecommons.org/licenses/by/4.0/)
Video of a fish (Liparidae, also called snailfish), passively drifting backward with the current above the upward-looking camera. This species is known to be the deepest-living fish and preyed upon by narwhals and seals in Inglefield Bredning, Greenland. Credit: Evgeny A. Podolskiy, CC-BY 4.0 (https://creativecommons.org/licenses/by/4.0/)

Keywords

Arctic Ecosystems Earth Sciences Ecosystems Marine Biology Marine Life Oceanography Physical Sciences

Article Information

Journal
PLOS One
DOI
10.1371/journal.pone.0347193
Article Publication Date
2026-05-06
Article Title
Seafloor video-acoustic monitoring in a Greenlandic glacial fjord records hyperbenthos, backward-swimming fish, and narwhals
COI Statement
The authors have declared that no competing interests exist.

Contact Information

Hanna Abdallah
PLOS
onepress@plos.org

How to Cite This Article

APA:
PLOS. (2026, May 6). Video and audio monitoring of the Arctic seafloor captures rarely seen phenomena: fish swimming backwards, narwhal calls nearby, and a beautiful array of deep-sea dwellers and tide-driven "marine snow”. Brightsurf News. https://www.brightsurf.com/news/LMJR2KNL/video-and-audio-monitoring-of-the-arctic-seafloor-captures-rarely-seen-phenomena-fish-swimming-backwards-narwhal-calls-nearby-and-a-beautiful-array-of-deep-sea-dwellers-and-tide-driven-marine-snow.html
MLA:
"Video and audio monitoring of the Arctic seafloor captures rarely seen phenomena: fish swimming backwards, narwhal calls nearby, and a beautiful array of deep-sea dwellers and tide-driven "marine snow”." Brightsurf News, May. 6 2026, https://www.brightsurf.com/news/LMJR2KNL/video-and-audio-monitoring-of-the-arctic-seafloor-captures-rarely-seen-phenomena-fish-swimming-backwards-narwhal-calls-nearby-and-a-beautiful-array-of-deep-sea-dwellers-and-tide-driven-marine-snow.html.