Mediterranean sharks risk 'disappearing': conservationists

Sharks—the sea's top predators for millions of years—are at risk of disappearing from the Mediterranean as overfishing and plastic pollution choke populations of the endangered hunters, conservationists warned Friday.

Fish evolve by playing it safe

New research supports the creation of more marine reserves in the world's oceans because, the authors say, fish can evolve to be more cautious and stay away from fishing nets.

Shark cull overkill

When West Australian (WA) Premier Colin Barnett sanctioned the killing of sharks longer than three metres that come within a kilometre of the shoreline, the decision was immediately met with fierce opposition. Professor of ...

Are great white sharks endangered?

It's a mystery of the sea: How many great white sharks are prowling near California's surf lines? Some scientists say the population is large and healthy. Others say it is alarmingly small. No one has ever known for certain, ...

The great shark debate: To cull or not to cull?

The great shark debate continues in Australia as summer approaches. Shark bites on bathers and surfers are a particularly sensitive reality. These are personal and community-wide tragedies that implore us to find adequate ...

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