My Arrow crab will not molt.

[SBOJr]

I have had an arrow crab for a few months and it has not molted. I also had a coral banded shrimp in the same tank for a while and it molted twice before I moved it. I also have 2 clownfish and a few corals in the tank that are doing great. Any Idea's?

 

[NanoCrazed]

Check your iodine and calcium levels...

 

[EmdeReef]

I have had an arrow crab for a few months and it has not molted. I also had a coral banded shrimp in the same tank for a while and it molted twice before I moved it. I also have 2 clownfish and a few corals in the tank that are doing great. Any Idea's?

I don’t know how often arrow crabs molt but molting frequency is species specific. Some crabs and shrimp molt often, others only a limited number of times over their lifetime. I don’t think that should be a sign of concern as long as it appears healthy etc.