Definitions for "Troglobite"
an animal that lives its entire life within a cave and is specifically adapted to life in total darkness (some by losing their eyes or lacking pigmentation (color)). Examples at Mammoth Cave include the eyeless fish, shrimp, and crayfish.
Cave dwellers: spend their entire life cycles in the dark zones of caves and exhibit a variety of adaptations to interior cave conditions.
a cave-adapted animal living permanently underground in the dark zone of caves and only accidentally leaving it