Threat to ocean sharks increases
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Several species of ocean-going shark are more threatened than previously thought, scientists conclude.
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Three shark attacks off the Texas coast in the past two months are unusual but don't mean there are more sharks than normal along the beach or that they are getting bolder, marine biologists and other experts say.
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TWO Great White sharks ripped a schoolboy surfer in two off a packed beach yesterday. Nick Peterson, 18, was being towed on his surfboard behind his grandmother&#39;s dinghy when a shark began attacking the boat.
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MILAN, Mar 12 (TierramÃ©rica) - Despite the widespread reputation that associates   sharks with death, this fish species is very vulnerable, and  some  varieties are at risk of extinction. Of the 40 shark  species found in  European seas, one-third are threatened by  intensive and illegal fishing,  sport fishing and accidental  capture, according to the World Conservation  Union (IUCN).
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The next terrorist threat may come from the deep. In recent years, several homeland security alerts have focused on the danger of scuba-equipped terrorists targeting docked Navy vessels or ocean-side nuclear plants. Now the U.S. military is quietly developing a new generation of underwater weaponry.
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Great white sharks are among many endangered species to gain better international protection at a meeting of 166 countries in Thailand. Restrictions on black rhinos were eased.
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Scientists are trying to determine why venomous lionfish are appearing in Long IslandÂs waters. The Pacific Ocean natives could pose a threat to the habitat.
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Survivors from the gargantuan tsunami that swept across Asia will face a host of new threats in the coming days and weeks: viruses and bacteria in the water, diseases seeping from human remains, and the vulnerability to bugs and other predators that comes from having no shelter.
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Scientists have issued their strongest warning so far this year that unusually warm Caribbean Sea temperatures threaten coral reefs that suffered widespread damage last year in record-setting heat.
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Sharks are like vultures. They symbolize the unsympathetic brutality of nature, circling their prey in a ritual of impending doom.
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The hunt for the great white shark that killed a teenage surfer here this week was stepped up despite an appeal by his family not to kill the giant predator.
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A three-metre (10-foot) shark menaced a children's sailing regatta in shallow Australian coastal waters, biting a hole in an inflatable patrol dinghy that attempted to drive it away, event organisers said.
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A white shark in captivity could offer new insights on the mysterious and feared creature.
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toothfish, dubbed the &quot;white gold&quot; of the sea, which is being driven to extinction by rampant poaching. other threatened species,&quot; the US-based National Environment Trust (NET) said in a report on Thursday.
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Rising sea temperatures will boost coral growth, according to Australian research that flies in the face of predictions that climate change could spell death for the world&#39;s coral reefs.
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Sharks and humans both fled the coast as  hurricanes battered Florida last year, causing a dramatic drop  in shark attacks in the state that usually has a third of the  world's annual total, scientists said on Tuesday.
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Southern right whales are coming under increased attacks from an unlikely predator: seagulls hungry for the mammals' skin and blubber.