Results 41 to 50 of about 6,628 (186)

A method to estimate prey density from single-camera images: A case study with chinstrap penguins and Antarctic krill.

PLoS ONE
Estimating the densities of marine prey observed in animal-borne video loggers when encountered by foraging predators represents an important challenge for understanding predator-prey interactions in the marine environment. We used video images collected
Victoria R Hermanson, George R Cutter, Jefferson T Hinke, Matthew Dawkins, George M Watters   +4 more
doaj   +1 more source

Estimating Patagonian toothfish (Dissostichus eleginoides) length at first maturity from their age, sex and temperature experience around South Georgia

Journal of Fish Biology, EarlyView.
Abstract Patagonian toothfish (Dissostichus eleginoides) are a long‐lived, slow‐growing deep‐sea species endemic to the Southern Hemisphere and the focus of longline fisheries managed to ensure sustainable exploitation. Managing the fisheries relies on accurate stock assessments that include pertinent biological and exploitation processes.
Jessica E. Marsh, Sarah R. Alewijnse, Stephen D. Gregory, Philip R. Hollyman, Marta Söffker   +4 more
wiley   +1 more source

Super-aggregations of krill and humpback whales in Wilhelmina Bay, Antarctic Peninsula. [PDF]

PLoS ONE, 2011
Ecological relationships of krill and whales have not been explored in the Western Antarctic Peninsula (WAP), and have only rarely been studied elsewhere in the Southern Ocean.
Douglas P Nowacek, Ari S Friedlaender, Patrick N Halpin, Elliott L Hazen, David W Johnston, Andrew J Read, Boris Espinasse, Meng Zhou, Yiwu Zhu   +8 more
doaj   +1 more source

An investigation into the diet of elephant fish (Callorhinchus milii) in the waters of Aotearoa/New Zealand

Journal of Fish Biology, EarlyView.
Abstract Chondrichthyans (sharks, rays and chimaeras) are increasingly understood to be an important part of ocean ecosystems, but their ecological role is unclear. Callorhinchus milii (elephant fish) is a chimaera species endemic to Aotearoa/New Zealand and southern Australian waters.
Kat U. C. Cooper, Ashley A. Rowden, Darren Stevens, Brittany Finucci   +3 more
wiley   +1 more source

Anti-inflammatory effect of ozonated krill (Euphausia superba) oil in lipopolysaccharide-stimulated RAW 264.7 macrophages

Fisheries and Aquatic Sciences, 2018
Background Inflammation has been known to associate with many human diseases. The objective of this study was to evaluate an anti-inflammatory effect of ozonated krill (Euphausia superba) oil, which was prepared by the treatment of krill oil using ozone ...
Hong-Deok Kim, Soo-Bin Lee, Seok-Chun Ko, Won-Kyo Jung, Young-Mog Kim, Seon-Bong Kim   +5 more
doaj   +1 more source

Humpback Highs and Lows Amid Shifting Seas and a Northeast Pacific Marine Heatwave: Whale Demographics in the Main Hawaiian Islands, 2002–2023

Marine Mammal Science, Volume 42, Issue 4, October 2026.
ABSTRACT North Pacific humpback whales are a celebrated conservation success, rebounding from extensive commercial whaling. Yet they remain vulnerable to the impacts of climate change, a multifaceted stressor that can exacerbate existing threats. During 2013–2016, a Northeast Pacific marine heatwave severely reduced forage availability in their feeding
S. M. Barber‐Meyer, T. Cheeseman, J. Barlow, L. Bejder, A. L. Bradford, R. Cartwright, M. Deakos, L. Evans, R. Finn, C. M. Gabriele, B. Goodwin, C. Hayslip, E. E. Henderson, M. Jones, M. Lammers, E. Lyman, D. M. McSwain, J. Mobley, M. Olio, A. A. Pack, D. M. Palacios, H. R. Spears, S. H. Stack, F. A. Sullivan, M. van Aswegen, K. M. Yano, S. Yin, A. Zoidis, J. J. Currie   +28 more
wiley   +1 more source

Seasonal and Diel Acoustic Occurrence of Sei Whales in Oregon, USA

Marine Mammal Science, Volume 42, Issue 4, October 2026.
ABSTRACT The behavior, distribution, and life history of sei whales (Balaenoptera borealis) are largely unknown in the North Pacific. We analyzed data from three bottom‐mounted acoustic recorders deployed 25 (shelf; depth = 300 m), 45 (slope; depth = 630 m), and 65 (abyssal; depth = 2860 m) nautical miles off of Newport, Oregon, USA that recorded ...
Mariam Alsaid, Leigh G. Torres, Holger Klinck, Dimitri Ponirakis, Kathleen M. Stafford, Dawn R. Barlow   +5 more
wiley   +1 more source

Availability to predators and a size structure of the Antarctic krill Euphausia superba in the 48.1 CCAMLR subarea

Scientific Reports
The Antarctic krill Euphausia superba is a key species in Antarctic waters, mainly because it is a major component of the diet of dominant predators, including penguins. It is also a marine living resource that is commercially harvested.
Anna Panasiuk, Gabriela Gic-Grusza, Małgorzata Korczak-Abshire   +2 more
doaj   +1 more source

Factors impacting the timing of reproductive development in female Antarctic krill at the northwestern Antarctic Peninsula

Frontiers in Marine Science
The northwestern Antarctic Peninsula is an important spawning, recruitment, and overwintering ground for Antarctic krill. The region is warming rapidly, and the current impacts of climate and environmental variability on the reproductive cycle of krill ...
Kirsten B. Steinke, Kim S. Bernard, Christian S. Reiss, Jennifer Walsh, Giancarlo M. Correa, Sharon E. Stammerjohn   +5 more
doaj   +1 more source

Characterisation of the Pump-Suction Flow Field of Antarctic Krill and Key Influencing Factors

Applied Sciences
To address the problem of high damage rates and low efficiency during Antarctic krill pumping, this study used Discrete Phase Modelling (DPM) computational fluid dynamics (CFD) to analyse how krill–water mixing ratios and centrifugal pump speeds affect ...
Ping Liu, Liqun Lin, Zhiqiang Xu
doaj   +1 more source