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Old 07-25-2016, 02:26 PM
Bill Door Bill Door is offline
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Join Date: Nov 2003
Posts: 4,795
Sharks eat fish whole and get minerals from their skeletons. Sharks are cartilaginous, not boney, but I have to assume they require at least some calcium and magnesium. Probably long term it would be bad for the shark's skeleton and nervous system.