They would have to sleep in water because the can spend one hour on land.
i am sure they do cause every living animal and every living thing breths air
well I have a fiddler crab and it doesn't look like their eyes ever close they just kind of bend down in the water and don't react to much
they sleep either in the water. . .
they eat humans fiddler crabs eat other smaller crabs
by rubbing their big claw on there body
Ghost crabs? Well that depense if it is a dead fiddler crab so it would be the same/
yes they are
no
== == == ==
?
no they are not
fiddler crabs drink fresh water.
you kill the fiddler crab
They're in the crustation or the crabs group.