xenomorphum

Xenomorphum is a fictional parasitic extraterrestrial species featured in the Alien film franchise. These creatures are characterized by their highly aggressive and predatory nature, their unique life cycle, and their distinct biomechanical appearance. The term "xenomorph" itself is derived from Greek words meaning "strange form," aptly describing their alien and unsettling physiology.

The xenomorph life cycle is complex and integral to its parasitic strategy. It begins with a Facehugger, a larval stage that attaches to a host, typically a sentient being. The Facehugger implants an embryo into the host's chest cavity. After a gestation period, the embryo develops into a Chestburster, which violently erupts from the host's body, killing it in the process. The Chestburster then rapidly grows into an adult xenomorph.

Adult xenomorphs possess a hard, exoskeletal body, often depicted as dark and segmented. They are known for their sharp claws, prehensile tails, and a secondary inner jaw that can extend from their mouths. Their blood is a highly corrosive acid, making them dangerous even in death. Xenomorphs are highly adaptable and can exhibit traits influenced by their hosts, though their core predatory instincts remain consistent. Their primary objective is survival and propagation, often through the relentless pursuit and assimilation of new hosts.