The sight of a basking shark’s brooding silhouette gliding through the waters off western France is more than just a rare treat for sailors – it is a boon for scientists trying to trace its secretive ...
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 ...
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