I don't think it looks like pure fat at all; I think it looks more like bloat. I'd definitely see a stomach doctor and try eliminating some foods for a few weeks to see if there's a change. Look into nightshade and fodmap intolerance. I've seen a popular Paleo blogger show an after pic of her stomach after eating tomatoes and she looked pregnant when she has an otherwise flat tummy.
So much bad advice on this forum!