Sharks
Colossal octopus may have dominated Cretaceous oceans, researchers say
“These giant octopuses likely occupied the same ecological tier and may have competed with marine reptiles and sharks within the same ecosystem,” said paleontologist Kazutaka Iba.
Researchers find traces of caffeine, cocaine in sharks in The Bahamas
Dozens of Australian east coast beaches closed after four shark attacks in two days
Scientists warn great white sharks in danger of disappearing from Mediterranean
Megalodons were slow-swimming, warm-blooded predators – study
The placoid scales are not seen on speedier shark species, as those species have scales with spaced ridges.
Shark Awareness Day: One-third of sharks and rays at risk of extinction
BioDB CEO says shark and ray species are threatened in Israel’s Mediterranean Sea.
Shark attack in Egypt claims the life of Russian citizen
A team from the ministry and other authorities was able to capture the shark, adding that local authorities had issued a ban on several beaches near the attack site.
Shark experts solve decades-old riddle of white-eyed 'demon' shark
The new shark species was named Apristurus ovicorrugatus, in reference to the strange-looking egg cases that led to the species' discovery.
Surfer feared killed in shark attack off South Australia coast
The attack follows the death in February of a girl mauled by a shark in a river in Perth, the capital of Western Australia.
Don't hold your breath: How hammerheads maintain temperature - study
Shark gills can act as natural radiators, cooling down the blood, muscles and organs of a shark.
Underwater robot spots guitarfish in Eilat, Israel
An underwater robot sent by Israeli researchers to the depths of the sea of the Gulf of Eilat recently discovered a guitarfish.
16-year-old killed by shark in Australia
The victim reportedly jumped in the water to swim with a pod of dolphins when she was bitten by a shark.
No swimming: Sharks spotted near Hadera power plant
The sharks are spotted in the Hadera area every year between November and April.
Symbiotic relationships with fish decline because many sharks are dying out - study
Open-sea fish infested with parasites use grey reef sharks as back scratchers.
