Nope, the idea is that the transparent container is partly inside the tank and partly sticking out from the surface, so when fish swim up it you will be able to see them inside the container.severum1;1803492; said:Thank you LondonDragon, but i still don't uderstand how i'll be able to see the fishes. The only thing is if there is a sort of lent or magnifier efect. Is that it?