What a shame. The woman was just married on Sunday. There are 30-40 species of sharks in the Bahamas, including the reef shark, bull shark, and tiger shark, all known baddies.
This has the MO of a tiger shark. Bull sharks attack and bite at anything without provocation. Reef sharks, not so much. Tiger sharks are known to attack people in order to eat them. Paddle boards are big, and most people stand up to paddle them.