I haven't noticed much growth from Ipcus. I bought him ~4 months ago when he was about the size of a quarter.
Everyone posts these amazing pictures of their gorgeous huge pacs, and then I look in my tank and I have a tiny little thing still. I'm wondering if I got the runt, or if I'm a bad frog Mom, or everyone else just have spectacularly fast growing babies.

Each picture is a month apart. Does he look healthy and on-track?

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He also had a day where he flipped himself over a few times. I'm thinking it was because I was in the middle of transferring him into a new tank and he was just stressed. I had a waterfall in there which made quite a bit of noise which may have been the issue. He hasn't done it since I took it out. Just want to be safe though.