troglobite

noun
UK /ˈtrɒɡləbaɪt/
US /ˈtrɑːɡləbaɪt/

A troglobite is a small animal that lives its whole life in dark caves.

The blind fish is a troglobite that never leaves the cave.


OTHER MEANINGS

2. An organism specially adapted to live permanently in caves, often blind and pale.

Scientists studied the troglobite's extra-long antennae.

3. Any creature that cannot survive outside a cave environment.

A troglobite would die if brought into sunlight.

4. In biology, a member of the category of animals that complete their entire life cycle underground.

The beetle is classified as a troglobite because it never leaves the cave.