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Discussion Starter #1
Hey guys, so I noticed some of my RCS have developed dark coloring in their tails and body. Is this something I should be worried about?

Here is a picture of one next to another one without the coloring.


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I've had old females do that. Either they changed back to lighter colors after a molt or they died and were promptly eaten by the others.. hadn't seen any bodies in tank.

Anyone else seen adverse effects from darker shrimp?
 

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I've had old females do that. Either they changed back to lighter colors after a molt or they died and were promptly eaten by the others.. hadn't seen any bodies in tank.

Anyone else seen adverse effects from darker shrimp?
Same for me. Never noticed if it was females only, but it does only seem to happen to older shrimp. I have a healthy population in my 10g and haven't noticed any deaths either.
 

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Discussion Starter #4
So it's an aging issue? Hm. Interesting. From what I've researched, I often see that black coloring is a possibility of a bacterial infection

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