On Monday, Vanderpool was watching TV with his wife in their Polk County, Florida, home when, quite alarmingly, they heard a "huge crash" behind the house. Naturally, he ran out back to investigate, having no idea at the time what might be awaiting him.
Sure enough, Vanderpool found an overhead panel on the couple's screened-in pool area had been torn — and inside the pool itself was a large catfish who was still very much alive.
Vanderpool was stunned: "Who would expect a fish?" he told WFLA News Channel 8. "I would expect maybe anything but a fish."