To show of there claws and impress females.
The males wave it over their heads to get the female's attenteion.While doing that it looks like their fiddling.Thats why there called fiddler 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 they are not
no
They're in the crustation or the crabs group.
crabs are nocturnal
No, Hermit Crabs and Fiddler Crabs are very different, and require two whole different living conditions. And Fiddler Crabs are very aggressive, and will probably attack the Hermit Crab anyway. So, in all, it just isn't a good idea.
you kill the fiddler crab