Spread across 110 acres of land, the Malaysian Zoo is run by a non-governmental organization - the Malaysian Zoological Society. Its existence is based mainly on donations, adoptions and sponsorship. The Zoo features over 400 species of local exotic mammals, reptiles, fish and birds, majority of which are fish and birds. One of the more popular stops is the Tunku Abdul Rahman Aquarium which displays over 80 species of aquatic animals and invertebrates, both marine and freshwater.