The Merlion is a mythical creature with a lion’s head and the body of a fish that is widely used as a mascot and national personification of Singapore. Two Merlion statues are located at the park. The original Merlion structure measures 8.6 meters tall and spouts water from its mouth. It has subsequently been joined by a Merlion cub, which is located near the original statue and measures just 2 metres tall.

The original Merlion Park was first designed by the Singapore Tourism Board (STB) near the mouth of the Singapore River in 1964 as an emblem of Singapore. On 15 September 1972, the park was officially opened at an installation ceremony for the statue, officiated at by then Prime Minister of Singapore, Mr Lee Kuan Yew. The original statue of the Merlion used to stand at the mouth of the Singapore River. The building of the Merlion was started in November 1971 and was completed in August 1972. It was crafted by the late Singaporean sculptor, Mr Lim Nang Seng and his 8 children. The sculpture measures 8.6 meters high and weighs 70 tons.

Upon the completion of the Esplanade Bridge in 1997, the original Merlion Park location was also no longer the entrance of Singapore River and the statue could no longer be viewed clearly from the Marina Bay Waterfront. On 23 April 2002, the statue was relocated to a new pier specially built on the other side of The Esplanade Bridge adjacent to The Fullerton hotel. The move, which cost $7.5 million, was completed on 25 April 2002. On 15 September 2002, then-Senior Minister Lee Kuan Yew ceremonially welcome the Merlion again on its new location, the current Merlion Park, which is four times bigger than the original site.

According to en.wikipedia.org