One blind, aquatic salamander may have sat mostly still for seven years

Low-energy olms can go years without food and may live for about a century

Olm salamander in cave

An olm rests on the bottom of its flooded cave home. New research suggests that the amphibians hardly move for years at a time.

Balázs Lerner and Gergely Balázs/Proteus Project

Once upon a time, olms knew the cool drizzle of rain and bathed in the glow of the sun.