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Feb 7 2013 - 12:01pm
Humpback whales (Megaptera novaengliae) are the most abundant baleen whale in the nearshore waters around the Antarctic Peninsula. They, along with millions of penguins, seals, seabirds, and other whales, feed primarily on Antarctic krill (Euphausia superba) during summer months.
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May 16 2012 - 4:35pm
How do we know where ocean animals swim day and night? Scientists are getting snapshots into the daily lives of whales, sharks, and even fish by tagging the animals to track their movements.
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May 17 2012 - 1:02pm
Leatherback sea turtles (Dermochelys coriacea) are listed as critically endangered by the IUCN Red List of Threatened Species. The primary threats to leatherbacks are interactions with fisheries and the harvesting of their eggs. Learn more about tagging sea turtles in our blog post.
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Jan 26 2010 - 11:44am
So far, researchers have developed DNA barcodes to accurately identify 4,600 of the more than 29,000 known fish species. Atlantic cod is an economically important fisheries species.
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Jan 14 2011 - 11:50am
When a critically endangered North Atlantic right whale becomes entangled in fishing gear, members of a response team from the Atlantic Large Whale Disentanglement Network spring into action. In the past 25 years, dozens of whales have been freed from life-threatening entanglements. Explore other...
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Jan 26 2010 - 11:45am
This radio device is used to track North Atlantic right whales. Suction cups hold the device to a whale's back, where it records data such as depth, water, temperature, and underwater sounds. Read more about right whales and the Smithsonian National Museum of Natural History in Ocean Portal's 'A...
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May 18 2011 - 11:28am
The sea's largest fish has been a mystery until recent decades. Thanks to electronic tags, researchers are uncovering some of the secrets of the whale shark (Rhincodon typus Smith, 1828). One tagged animal, dubbed "Rio Lady," swam some 5,000 miles during a span of 150 days. Another dove to a depth...
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Jan 26 2010 - 11:45am
This map is based on electronic tagging of Atlantic bluefin tuna (Thunnus thynnus) from 1996 to 2007. A team of international researchers officially classified the Atlantic bluefin as endangered in 2011. In addition to overfishing, the bluefin's defined spawning grounds can impact recovery efforts.
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Apr 20 2012 - 12:50pm
NOAA is working with students across the globe to place floating buoys throughout the ocean through their Adopt a Drifter Program. The buoys will drift with the help of ocean currents and record the sea surface temperature and location of the buoy as they travel. The information gained from the...
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Jan 26 2010 - 11:45am
In December 2003, researchers spotted Phoenix off the coast of Florida with her second calf. More about the right whale can be found in our Tale of a Whale featured story.
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Dec 17 2009 - 7:21pm
Save Our Seas scientist Alison Kock tags a Great White Shark (Carcharodon carcharias) to gather data about their movements off the coast of South Africa.
More about the great white shark can be found in our Great White Shark featured story.
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Sep 20 2011 - 12:27pm
In the late 1990's, researchers at the Woods Hole Oceanographic Institution (WHOI) invented the D-Tag—a radio device that can be attached by suction cups to a whale's back. Using a tiny underwater microphone, the tag records sounds that the whale makes and hears underwater. It also records depth,...
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Jul 8 2010 - 6:57pm
What is it like to be eyeball to eyeball with a fish the size of a Volkswagen? In this episode of the Podcast of Life, learn how a tuna fisherman and a biologist are teaming up to tag bluefin tuna, and how those tags are revealing surprises that might help save tuna from their own popularity in...
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Jan 26 2010 - 11:45am
Omoo, a Great White Shark (Carcharodon carcharias), carries a satellite tag that sends information daily about her movements across the Pacific. Follow her migration real-time. More about the great white shark can be found in our Great White Shark featured story.
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