Latest Shark Stories
MIAMI, March 1, 2013 /PRNewswire-USNewswire/ -- The world's shark population is experiencing significant decline with perhaps 100 million or more sharks being lost every year, according to a study published this week in Marine Policy. While sharks are one of the oldest vertebrate groups on the planet, the population decline is causing global concern. In the recently published paper, "Global Catches, Exploitation Rates and Rebuilding Options for Sharks," researchers from Dalhousie...
Brett Smith for redOrbit.com - Your Universe Online Imagine a 25-foot-long shark, but instead of having a typical set of jaws, it packs a chainsaw-like ‘tongue’ full of razor-sharp teeth ready to slash through prey with ease. While it sounds like something straight out of a Killer B Movie, it is anything but. A group of American researchers has described just such a creature that lived about 270 million years ago based on the animal’s fossilized spiral set of teeth....
Lee Rannals for redOrbit.com – Your Universe Online It's been decades since the first Star Wars movies came out, but the mark they left is still relevant in the world, even finding a little fandom in the deep waters of the ocean. Scientists found a glow-in-the-dark shark has "lightsaber-like" spines on its back used to help ward off predators. Researchers reported in the journal Nature about how they discovered light organs adjacent to the dorsal defensive spines of a small...
Brett Smith for redOrbit.com - Your Universe Online As wireless technology progresses, biologists are finding new ways to harness these advancements and further their research in the process. At the annual meeting of American Association for the Advancement of Science (AAAS) in Boston this Sunday, Stanford marine sciences professor Barbara Block discussed a new method for “biologging” the activities of various sea creatures using wireless technology. Using an innovative...
PEORIA, Ill., Feb. 14, 2013 /PRNewswire/ -- Caterpillar Inc. (NYSE:CAT) and OCEARCH have agreed to a multi-year partnership that will help propel the OCEARCH organization's global research on sharks. OCEARCH has led 15 expeditions to safely research the breeding, feeding, migration and birthing patterns of these ocean creatures. "Most people think sharks are invincible," said OCEARCH founder Chris Fischer. "But they are in real danger*. We must find a sustainable path forward...
April Flowers for redOrbit.com - Your Universe Online The International Shark Attack File report released this week by the University of Florida reveals shark attacks in the US reached a decade high in 2012. Worldwide fatalities, however, remained average. In 2012, the US saw 53 shark attacks. This is the highest number since 2000. Globally, there were seven fatalities due to shark attack, which is lower than 2011, but higher than the average of 4.4 from 2001 to 2011. According to...
How Do You Roll? co-founders will make an appearance on ABC's hit show Shark Tank. Chicago, IL (PRWEB) February 08, 2013 Hireology's customer How Do You Roll? will be featured on the hit ABC program Shark Tank on February 15, 2013. How Do You Roll? is a custom sushi shop with locations in Arizona, California, Florida, North Carolina and Texas. The owners, Yuen and Peter Yung, will have the chance to pitch their brand outlook to a panel of investors. The investors, also known as...
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...
Fossilized tapeworm eggs in shark feces may be earliest known example of intestinal parasites in vertebrates A cluster of tapeworm eggs discovered in 270-million-year-old fossilized shark feces suggests that intestinal parasites in vertebrates are much older than previously known, according to research published January 30 in the open access journal PLOS ONE by Paula Dentzien-Dias and colleagues from the Federal University of Rio Grande, Brazil. Remains of such parasites in vertebrates...
[Watch Video: Embryonic Bamboo Sharks Respond To Predators] Brett Smith for redOrbit.com - Your Universe Online In search of a better shark repellent, Australian marine biologist Ryan Kempster stumbled upon a behavior by embryonic sharks designed to evade predators sniffing around for lunch. Drawing on the same electroreceptors that adult sharks use to find prey, tiny embryonic bamboo sharks can sense predators and completely stop any movement, essentially ‘playing possum,’...
Latest Shark Reference Libraries
The slender bamboo shark is a bottom dweller found in shallow coastal waters where the ocean floor is sandy or muddy--around bays, inlets, and coral reefs. Found mainly in the Indo-West Pacific waters from the Arabian Sea to India; also in Thailand, Indonesia, Taiwan, Philippines, and Solomon Islands. It is occasionally found in freshwater of the Perak River of Malaysia. The body of this species is brownish in color covered with dark splotches above and cream colored underneath. The mouth...
This harmless shark is native to the Pacific Ocean off the coast of Indonesia, it is also found in coastal waters from Japan to India. It lives on the ocean floor in shallow areas around coral reefs, hiding during the day and feeding at night. In Taiwan and Madagascar the whitespotted bamboo shark is used for food. Occasionally this species is kept in home aquariums as pets. The young whitespotted bamboo shark will have a black body covered with white and light blue spots and dark vertical...
The Barbeled houndshark (Leptocharias smithii) is a species of bottom dwelling shark and sole member of the Leptochariidae family. It is a fish found in the Atlantic Ocean, inhabiting coastal waters of Africa from Mauritania to Angola and found at depths up to 246 feet. It is occasionally found as far north as the Mediterranean Sea. Its habitat is typically muddy water around river mouths. This fish can grow up to 32 inches in length, and is characterized by its long, slender body,...
The Leopard Shark (Triakis semifasciata) is a species of hound shark found in the coastal waters of the eastern Pacific Ocean, along the coast of North America from Oregon to Baja California. Its habitat is rocky areas, rocky reefs, kelp beds, sandy areas and under piers. Tagging has revealed that stock is mostly resident in San Francisco Bay. However, about 10 percent of the population migrate further out into the ocean seasonally. They swim mainly at depths of 10 to 250 feet. They prefer...
The Horn Shark (Heterodontus francisci) is a species of bullhead shark that ranges from central California to the Gulf of California, Mexico, and possibly Ecuador and Peru. Its habitat includes rocky reefs, kelp beds, sand flats, crevices, and caverns at depths from 7 to 490 feet. It is mostly nocturnal and is rather sluggish in the daytime. The adult can reach a length of 4 feet and weigh about 22 pounds. It is brown with black spots. If harassed it may bite. It has poisonous spines on...
