Dying, spotted female fiddler

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Burrilliant

Feeder Fish
MFK Member
Nov 10, 2010
9
0
0
DC, USA
I have a dying female fiddler crab who lost a number of legs during a mis-approrpiation of space with a fellow male tank-mate. She had been ok except since her trauma, shes developed large, indiscernible, light colored spots that appear to be killing her :(
I still have 2 surviving male fiddlers and 1 surviving female red clawed crab.
Has anyone had any experience with these spots?

Post
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So I have had by now many a Fiddler & Red crab in my 50 gallon tank within the last 2 years. Some with greater fresh air ambitions, some not as great. Zero have lasted long r than 9 months.
Some of my fiddler crabs have been subject to what seems a shell/bacteria disease (9++).
I've had several crabs now seemingly subject to the same shell/flesh/bacteria disease. Each has died within a few weeks since its first spotting.
So yes, please do understand that this specific crab suffered severe stress when it was cornered within the confines of the water-heater by a larger, more aggressive male who managed to snip its 4 right legs before I realized what was happening :(. That said, this is the 3rd (THIRD) though multisexed crab to die in my hospice :( .
Its on my desk, which in my mind is trying to air out before I put it back in the tank.

Any thoughts? Have you ever seen such spots before? I haven't seen then ANYWHERE!
Not in nature, or captivity. WTF? Why only in my tank? Why doesn't it go away after nominal captivity?

A couple of pictures, as best as I could capture.
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Best resolution in an attempt to feed brine shrimp:
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For less contrast, more realistic, water-free pics:
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Since then, the shell condition has developed. What does it mean?
Is there anything I can do? Can they be saved? Should they be removed?
I have looked at many shell conditions, but never seen anything like these spots!!

Thank you for your time!
-Burr
 
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