horseshoe

I have an adult female horseshoe crab for about 1.5 year now. She is doing very well. She eats well, unbothered, and very actively digging . The problem is she has developing shell disease :confused:. No other horseshoe crabs have this problem. Its only her. Her shell is very rough as she has...

I came across this the other day: I pulled it out, its not a dead crab, appears to be a molt (silver dollar size). Couldn't find any posts on it so I thought I would post my experience. 90gal reef, about an inch of sand. Horseshoe crab added to the system on 9/30/16. He was very visible for...