What can be wrong?

CluelessFish

New member
How do i knwo if my corcea is healthy or sick? i checked the bottom opening where it attaches and it seems health with no parasites. I check its mantel and it is clean and no parasites. It somehow dont open up as large. why is that?

The large opening on its mantel sometimes seems to get larger and sometimes it seems to be normal...is there something to this?
 
What are your water params and what lighting do you have? also if you have a picture that would help alot
 
i have 250 watt 12k metal halide. My tank is My water parameter are all normal. I tested the water in the morning and just now. i dont have a digital camera so pictures wont be possible.
 
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