Keystone species mussel population explodes uncontrollably, driving out most other species. These creatures need not be apex predators. Sea stars are prey for sharks, rays, and sea anemones. Sea otters are prey for orca. The jaguar, whose numbers in Central and South America have been classified as near threatened, acts as a keystone predator by its widely varied diet, helping to balance the mammalian jungle ecosystem with its consumption of 87 different species of prey. The lion is another keystone species. Keystone mutualists are organisms that participate in mutually beneficial interaction and the loss of which would have a profound impact upon
Masai, Johor the name of the district, Masai District with post code of 81750, where the town is situated. Masai district is consist of Masai town, Bandar Seri Alam, Taman Rinting, Kota Puteri, Plentong, Permas Jaya and others. Due to location, Tanjung Langsat industrial area is quite near to Pasir Gudang, so it's categorized as Pasir Gudang district. However, the weird thing for Tanjung Langsat village is that the village is categorized as Masai district due to historical development. The suburb houses the Masai Terminal. The area is accessible by Muafakat Bus route P-301 and P-303. Masai, Johor Masai () is an