subterranean
Troglodytes.
subterranean
A dwarf is a cave-dwelling creature in Norse Mythology.
kock eaters
A number of cave dwelling fish and amphibians lack pigment and are blind.
A totally cave-dwelling organism is called a troglobite. These species have evolved to adapt to life in complete darkness, deprived of natural light. Troglobites often have unique characteristics, such as reduced pigmentation and eyes, to suit their subterranean environment.
Ammonites WERE water-dwelling creatures. They've been extinct for a couple of hundred million years
Apple
A Cave Chief is a title often used in various fantasy and role-playing contexts to refer to a leader or authority figure within a cave-dwelling community, typically associated with creatures such as goblins, trolls, or other subterranean beings. This character usually holds power over resources, decisions, and the welfare of their followers. The term can also be found in some gaming systems or narratives where cave-dwelling tribes or cultures are featured.
In a deep natural cave, one can typically find unique rock formations like stalactites and stalagmites, underground rivers or streams, various species of bats and other cave-dwelling creatures, and remnants of human artifacts left by past explorers or inhabitants.
troll
Troll