The wide head of the common hammerhead shark is its most distinctive feature. It allows a wider spacing of the sensory organs, which are for sight, smell, and detecting movement and changes in the electrical field. As a result, hammerhead sharks are highly effective predators. They often find food on the seabed, scanning it for rays and other half-buried prey. They are about 4 metres long.
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Te Ara - The Encyclopedia of New Zealand
Artwork by Bruce Mahalski
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