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
Barbary Coast maps published during the 17th–20th centuries. The name derives from the Berber people of North Africa (from greek "Bàrbaroi", Βάρβαροι, "barbaric"). In the West, the name commonly evoked the Barbary pirates and Barbary slave traders based on that coast—who attacked ships and coastal settlements in the Mediterranean Sea and eastern North Atlantic Ocean, and captured and traded slaves or goods from Europe, America and sub-Saharan Africa. These actions finally provoked the Barbary Wars of the early 19th century. The slaves and goods were being traded and sold throughout the Ottoman Empire or to the Europeans themselves. "Barbary" was not always