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
Predator (fictional species) escaped Queen Alien. The Queen is defeated, but not before she fatally wounds the last Predator. The Predator ship hovering above the battleground uncloaks and the crew retrieves the fallen Predator. A Predator elder gives Alexa a spear as a sign of respect, and then departs. Once the Predator ship is in orbit, it is revealed that a chestburster was in the Scar Predator's corpse, though this specimen has Predator mandibles. Set immediately after the previous film, the Predalien hybrid on board the Predator scout ship, which just separated from the mothership from the previous film, has grown to full