Splitting or dying?

[santeeeyyy]

The orange one I just got today and tossed him in my tank

 

[Sump Crab]

Hard to tell but I'll be glass half full and say SPLITTING

 

[santeeeyyy]

We have one for splitting I’m hoping it’s true. I have not done a single water change for two weeks. Trying to dirty the water but today I just did a water change. Last time I tested I had no ammonia