YES THEY CAN BECAUSE THEY ARE FIGHTERS AND CAN KILL ANY ORGANISM LIKE GUPPIES ETC IN AN AQUARIUM WHEN THEY BREED...Type your answer here...
you kill the fiddler crab
yes it does kill fiddler crabs so be careful that might be saying ouch get me out of here but we can never know
More likely the opposite, the crab will eat/kill your dragon fish. Plus fiddler crabs do not often reproduce in captivity.
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
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?
no they are not
fiddler crabs drink fresh water.