I did consider them actually, because the beardie has them occasionally, so I sometimes have them at home. Only thing that put me off, and it might be totally wrong, is I remember reading somewhere not to give them to the beardie too often since they can be hard to digest. No idea how Dimmi's digestive system compares to fish though!
I'll do a bit of research on what's in them, and what's best to feed them though, cheers. It's worth looking at again. Irritatingly, I've found what looks to be a great article on T. occelatus, but the website's a bit confusing. I think you have to be a research student to be allowed look at it, and I'm not 🙁
Mushroom's had a few lancefish to try recently, which he seems to have loved, and I've absolutely hated!! So glad I don't need to feed live fish! I know I'm a hippy, but ever since I realised as a kid that that stuff from the chippy up the road and Freddie the goldfish were the same thing, I've not eaten fish myself, so feeding them to a puffer has been a bit weird! lol.