Whale shark observed bottom-feeding for first time

A shark specialist and a life scientist are reporting on video evidence of a whale shark observed bottom-feeding for the first time. Darren Whitehead, Investigación Tiburones México and Joel Gayford, a life scientist at Imperial College London, received the GoPro video from a tourist who took it during a swimming tour off the coast of Baja California late last year and they have been analyzing its contents. They published their findings in the Journal of Fish Biology.

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Whale sharks are the world's biggest fish—they have been observed growing to nearly 19 meters in length. They are typically found in the open ocean, living in the warm waters of the tropics. They are classified as omnivores—they eat mainly fish and shrimp, but have also been seen sucking up plankton such as krill, fish eggs and copepods.