This toy replica is 22.5cm x 7cm. FUN FACTS: The Basking Shark is the second largest fish in the world. Despite the intimidating impression, basking sharks are quite harmless. They are filter feeders that eat tiny, planktonic prey. Many biological aspects of the basking sharks are still a complete mystery. Their gill rakers - a shedable filter structure in their mouths designed to strain plankton from the water - is a puzzle to scientists.