The mermaid syndrome is a very rare abnormality with an incidence of 1 in 100,000 births. In this condition a baby is born with both legs joined together giving them a fish like appearance and most of them has a poor prognosis. Many other systemic anomalies and usually a single umbilical artery is seen with this syndrome. The exact etiology of the condition is not clear but there are some factors identified which are said to be associated with Mermaid Syndrome. No appropriate treatment is advised till now for this syndrome but symptomatic management is initiated.