My cherry shrimp and Endler’s livebearers are very fond of this thing. It’s ultimate assignment is to be there, however, for my betta – because I want him to have a cave to hide in and this seemed like the best compromise between utility and aesthetic value.And I found some of the reviews about fish getting stuck really scary.But then I boiled the heck out of this thing – which also got a lot of tannins out, whether that’s good or bad from where you sit.With every piece of hardscape going into a tank, that’s what you’re supposed to do – that, or soak it for a couple weeks. I’m not sure that everyone thinks of this thing as hardscape, because it’s intended to be more impermanent, but ultimately, it’s driftwood like the big spiderwood or whatever centerpiece you might also have. So I boiled it for a couple hours.At the end of that time, it didn’t really float much anymore (it tried for a couple hours) and it was really, really soft. Soft enough so that, after it cooled and before I put it in my tank, I turned it over in my hands and peeled away bits that looked sharp, and pulled holes that seemed just the size a fish could get stuck in open wider. It’s not like it was play dough, but it had a lot of bend and wasn’t difficult to reshape some without tools.There were some natural features I was worried about before that that I easily took care of in that process. It wasn’t hard – so I say get this reasonable, character-full bit of wood and just put a little time into making sure it’s safe before it goes into the tank.