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Latest Lamnidae Stories

Food Scavengers: Great White Sharks Don't Just Kill For Food
2013-04-11 06:34:37

Lee Rannals for redOrbit.com — Your Universe Online Great whites have long been known as cold-blooded killers and man-eaters. But new research shows that these sharks actually scavenge whale carcasses for food from time to time. A team wrote in the journal PLoS ONE about how they documented as many as 40 different sharks scavenging on a carcass over the course of a single day. The study summarized observations based on four scavenging events over a 10-year period. During each...

Scientists Discover Secret Migration Patterns Of The White Shark
2013-04-04 15:39:52

Lee Rannals for redOrbit.com — Your Universe Online According to research published in BioMed Central's open access journal Animal Biotelemetry, satellite tagging has helped map the secret migration of white sharks. Researchers using satellite tagging found that pregnant female sharks travel between a mating area at Guadalupe Island and a nursery in Baja California, which puts them and their young at risk from commercial fishing. White sharks live most of their life in the open...

2013-03-14 17:49:13

CITES plenary today accepted Committee recommendations to list five species of highly traded sharks under the CITES Appendices, along with those for the listing of both manta rays and one species of sawfish. Japan, backed by Gambia and India, unsuccessfully challenged the Committee decision to list the oceanic whitetip shark, while Grenada and China failed in an attempt to reopen debate on listing three hammerhead species. Colombia, Senegal, Mexico and others took the floor to defend...

California Great White Sharks May Get Endangered Species Status
2013-02-07 14:59:48

Brett Smith for redOrbit.com - Your Universe Online On Wednesday, California's Fish and Game Commission recommended that the endangered status be given to great white sharks in the waters under their jurisdiction. Based on a recent population survey that found fewer than 340 adult sharks inhabiting the two principal feeding areas off the central California coast and the Baja Peninsula in Mexico, the five-member commission voted unanimously to designate the great white as a candidate for...

Great White Sharks Descended From Ancient Mako Sharks
2012-11-15 09:15:34

April Flowers for redOrbit.com - Your Universe Online One of the largest living predatory animals and a magnet for media sensationalism, the great white shark has a misunderstood evolutionary history. Paleontologists have debated that history for the last 150 years, originally classifying the great white as a direct relative of megatooth sharks. A new study from the University of Florida, published in the journal Paleontology, describes and names an ancient intermediate form of the...

Bull Sharks Have Most Powerful Bite
2012-10-21 09:59:37

redOrbit Staff & Wire Reports — Your Universe Online The shark with the most powerful bite isn't the Great White or the Hammerhead, scientists have discovered -- rather, it is the Bull shark that bites with the most force relative to its size, according to a new study. Marine biologists, including Philip Motta and Maria Habegger of the University of South Florida (USF), measured the bite strength from 13 different shark species, according to Dan Vergano of USA Today. They...

Liquid Robotics Wave Glider To Track Pacific Great White Sharks
2012-08-18 07:20:34

redOrbit Staff & Wire Reports - Your Universe Online Marine scientists in the US have deployed a surfing robot off the coast of San Francisco in order to help track tagged great white sharks in the Pacific Ocean, various media outlets reported Friday. According to Mark Prigg of the Daily Mail, the seven-foot long robotic "wave glider" was built by Liquid Robotics and resembles a yellow surfboard. It can reportedly detect signals from marked fish up to 1,000 feet away and relay their...

2012-07-24 23:03:12

The first survey conducted before and after a shark attack has found that public support for great white sharks was virtually unchanged. Results following the 2011 shark attack in Cape Town were published online in the academic journal Marine Policy. (PRWEB) July 24, 2012 The first survey conducted before and after a shark attack has found that public support for great white sharks was virtually unchanged. The academic journal Marine Policy published the results online this week in a paper...

Australian Great White Sharks Are Actually Two Distinct Species
2012-06-05 11:14:06

Brett Smith for redOrbit.com Despite inhabiting the same waters, two populations of Great White sharks living in the coastal waters of Australia are genetically distinct, according to a new study published in the journal Marine Ecology Progress Series. The two groups of Great Whites, or white sharks, are separated by the Bass Strait, a stretch of water between the Australian mainland and Tasmania to the south. The research team, led by Dean Blower from the University of Queensland, used...


Word of the Day
negawatt
  • A unit of saved energy.
Coined by Amory Lovins, chairman of the Rocky Mountain Institute as a contraction of negative watt on the model of similar compounds like megawatt.