Against all odds, Shiloh Pepin of Portland, Maine turned 8 years old in August 2007. She was born with Mermaid Syndrome, or Sirenomelia, one of the rarest .\rbr\rbrNew Documentaries 2015 | The Little Mermaid Extraordinary People -full documentary tags documentary, documentary history channel, documentary films, .\rbr\rbrNew Video: Shiloh Pepin was born with Mermaid Syndrome, or Sirenomelia, one of the rarest conditions known to man. This condition. The Mermaid Girl: The .\rbr\rbrLittle Shiloh Pepin has sirenomelia or mermaid syndrome, a rare birth condition where her legs have been fused together at birth. In most cases, persons born .