Western Atlantic Provides Refuge for Bluefin Tuna
NOAA Fisheries
Published: 21 April 2026
A 30-year international tagging study of 1,720 bluefin tuna reveals that U.S. and Canadian waters serve as a critical refuge for Atlantic bluefin tuna, including fish from the heavily fished eastern Atlantic and Mediterranean.
Keywords: bluefin tuna, fish migration, electronic tagging, conservation, Atlantic Ocean, fisheries management, marine ecology
Expedition to Hess Rise in the Northwest Pacific Begins
GEOMAR Helmholtz Centre for Ocean Research Kiel
Published: 18 May 2026
The research vessel SONNE departs Yokohama to explore Hess Rise, one of the largest and least-explored volcanic plateaus in the world, deploying ocean bottom seismometers at depths of 2,000 to 5,000 meters to investigate the formation's geological origins.
Keywords: Hess Rise, volcanic plateau, marine geology, ocean bottom seismometer, Northwest Pacific, seafloor mapping, tectonic plates
Meet the four gentoos: new research rewrites penguin family tree
University of Tasmania Institute for Marine and Antarctic Studies (IMAS)
Published: 20 May 2026
Scientists discovered that gentoo penguins are actually four distinct species, including one newly described from the Kerguelen Islands, using whole-genome data, morphology, and ecological analyses published in Communications Biology.
Keywords: gentoo penguins, taxonomy, species discovery, Southern Ocean, genomics, conservation, Antarctic ecology
