The Tails are an essential and main part of H2O: Just Add Water and Mako: Island Of Secrets. They are what make the Mermaid and Mermen them.
A Mermaid's Tail[]
A Mermaid Tail is a bronze orange 🍊 color and is very long.
A Merman's Tail[]
A Merman Tail is a Blue ombré and Very Long.