Originally Posted by tekkguy
It's not a requirement for fish. The animals in that article are under an ozone hole, and spend much of their time in shallow water. It's just an observation. It also gives humans cancer, right? Stick to regular fluorescent lights and normal aquarium lighting. Nothing special is required.
Yeah but what I am curious about is why reptiles need it but fish don't...
Also, I have been keeping my betta tank with a glass top and no lighting so I was worried that maybe he needed something more than just the light that comes in through the window. So does he?