for shelter
they hide under rocks so they can hide from predictor's like humans.
They like to hide under rocks and in damp places.
tarantulas hide under ground such in rocks and burrows
Newts don't specifically hide under rocks but they go under rocks whenever they want too. Rocks are in the water and on land and newts are totally aquatic and specifically aquatic so they can go under rocks when they feel like it.
rocks and branches can be provided in captivity as hiding places in the wild some snakes may burrow and hide under sand, some say hide under rocks etc
they hide under rocks
Some do others don't.
Yes.
Probably somewhere warm and dark. Popular hide outs are under floorboards, in unfinished basements, under beds, or under shelves.
Pet toads would like to hide in rocks, under couches, under any kind of furniture.
because they are freaky
They hide under rocks and corals