Xlla
Xlla is a fictional organism that appears in speculative biology and science fiction to illustrate life in extreme environments. Because it is used across different works, there is no single canonical description, and depictions of Xlla vary by author and setting. In many portrayals, Xlla is a gelatinous, semi-transparent entity ranging from a few centimeters to more than a meter in length when extended. It typically lacks a rigid skeleton and relies on a flexible tissue network that can rearrange itself in response to chemical, thermal, or mechanical stimuli. Bioluminescent filaments often extend from the body, serving purposes such as signaling, deterrence, or prey capture.
Ecology and biology are defined by adaptability. Xlla is commonly situated in nutrient-rich, low-light environments such
In narrative contexts, Xlla functions as a plot device to explore themes such as resilience, symbiosis, and