Latest Hammerhead shark Stories
These breakthrough findings provide strong evidence for enacting international trade protection for hammerhead sharks at the March 2010 CITES meeting in Qatar.
Hammerhead sharks are some of the Ocean's most distinctive residents.
A fisherman seeking out marine life off the coast of Volusia County, Fla., said he caught a 663-pound hammerhead shark. The commercial fisherman said the shark, which measured more than 13 feet in length, was reeled in Wednesday, WESH-TV, Orlando, Fla., reported Thursday. Experts said hammerhead sharks
Scientists recently revealed evidence to show that populations of sharks in the Mediterranean are declining, by as much as 99 percent in some species.
The scalloped hammerhead shark will be added to the â€œglobally endangeredâ€ species list this year. Among the reasons are over-fishing and demand for shark fins, according to discussions that took place during last weekâ€™s annual meeting of the American Association for the Advancement of Science (AAAS).
Sharks are disappearing from the worldâ€™s oceans. The numbers of many large shark species have declined by more than half due to increased demand for shark fins and meat. Yet researchers are just now learning critical details of their behavior.
Asexual reproduction is common in some insect species, rarer in reptiles and fish, and has never been documented in mammals. Until now, sharks were not considered likely candidates.
Marine biologists say they have obtained the first proof that sharks can spot changes in magnetic fields, boosting evidence that the fish have an internal compass to guide them as well as a phenomenal sense of smell.
- A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.