The sparkling blue waters of the Mediterranean Sea are home to over 700 varieties of fish and almost 10 per cent of the world's marine species. Its coastline is one of the most densely populated ...
At first glance, the world’s second largest fish might seem menacing ... them to take in water and filter out plankton using gill rakers, special organs that prevent their food from escaping ...
It is the second largest living fish in the world. They use more than 5,000 gill rakers to strain 25 kg of plankton from around 1.5 million litres of water per hour which is around the size of a ...
The difference between a shark and other fish ... And they have five, six, or seven gill slits per side, not one per side as in bony fish. Some sharks lay egg cases with developing embryos ...