"Mermaiding": What it is: Mermaiding is the practice of wearing and swimming in a costume mermaid tail, often incorporating a monofin (a single fin that fits both feet). Skills involved: Mermaiding involves various swimming techniques, including freediving and swimming with a monofin, as well as breath-holding, and potentially, underwater acrobatics.
omw to becoming a professional mermaid lol IF U KNOW ANYONE WHO PARTICIPATES IN THIS SPORT AND HAPPENS TO USE SCRATCH link them in the comments