Shy porcupine puffer

brokenboy

New Member
I just got a porcupine puffer from SWF and put him in my tank on Thursday. The first day or so he hung out around the tank, but for the last few days he just hides in the rockwork. He's got a few places he likes were he can see out, but he never comes out.
Does this sound like normal behavior? He's not totally unhappy- he'll come out and eat right out of my hand, but then darts right back into the rocks.
The tank is a 75 gallon with 100 lbs of live rock, 30 gallon refugium that has 10-20 lbs of live rock and a live sand bed. The ammonia and nitrites are 0, but the nitrates are up around 20 ppm.
There are other fish in the tank that have been in there for months and are all very active, and don't seem to be bugging the puffer at all.
I was really hoping the puffer would be an active, swim around kind of fish. Is he acting normal, should I just wait, or should I be looking for something?
 
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