One true catfish story is about a person who thought they were chatting with a successful entrepreneur online. They sent money to this 'entrepreneur' for a supposed business investment, only to find out later it was a catfish who had no real business at all.
One of the most interesting true catfish stories involves a guy who thought he was in a relationship with a Hollywood actress. He got to know her through an online chat group. She would send him photoshopped pictures of herself with the actress's face. He even planned to meet her at one point. But when he showed up at the supposed meeting place, no one showed up. After some investigation, he realized he had been catfished.
In some southern states in the US, there is a story of a catfish that was found living in an old, flooded quarry. People were amazed that it could survive in such an environment. It had grown to a large size, likely because of the lack of predators. The discovery led to more research into the adaptability of catfish in different habitats.
A famous catfish story involves a catfish that was caught with an unusual object in its stomach. It had swallowed a small, shiny trinket which made the story quite interesting. Fishermen were left wondering how the catfish came across such an item.