Johnson brought along her son Kyle, 14, a Melbourne Central Catholic rising freshman.

"We've been here 30 minutes, and I want to see the shark eat someone. That's really it," Kyle joked, prompting Laura to burst into laughter.

The FWC will pick up the tab for the shark hunt, Ryan said, and the city will not incur any costs. Mayor Gene Newberry pedaled his bike to the pond Wednesday night, and he said Indian Harbour Beach was in "uncharted waters."

Christie Rush is a FWC marine biologist. She raised an admittedly "farfetched" hypothesis: A bird of prey, perhaps an osprey, snatched the shark from the river at a young age, then dropped it in the pond during flight.