I bought some small plastic ferns, and I put one in my small tank.
I have two goldfish and they are both really scared of it.
They've started going a few centimetres near it, as opposed to hiding far away for the first 20 minutes. Should I take it out or leave it in and let then get used to it? Because I intend to move them to a larger tank soon with lots of these!

i think you should let them in there unless their health starts to detiriorate(sp?) because of stress but they should get used to them eventually i had fish like that once and they got used to it after about 4 days and then they loved them once they realized they werent a threat.

Lol, I found this pretty funny.

Like ilovefish said, let the fish get used to it. It's like someone suddenly adding the huge mysterious 'thing' in you room. You don't want to approach it at first 'cause you think it might be dangerous, for all you know a big ugly lion could be in there! But then curiousity gets the best of you, and you slowly get used to it; and you discover that not only is the 'thing' harmless, it's actually a vault full of tons and tons of fish products!!!!


Well, , maybe not. But something like that. XD