hammerhead shark school darwin arch galapagos |
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navigate by keyword : advantage ancient arch blue china configuration danger darwin distances diving evolution evolutionary extinction eyes fins fished galapagos group hammer hammerhead head marine mouth predator prey school schooling scuba shark sharks social soup species swimming underwater unusual waters |
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Hammerhead sharks are in danger of extinction as they are fished for their fins. The unusual configuration of the head and `hammer` are thought to be an evolutionary advantage that distances their eyes from the mouth and prey. Big schools like this are now a rare sight as they are fished in most areas of the oceans |
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