I'm thinking about putting a UV Light over my pleco tank so that I can get a better look at their antics at night.

Can pleco's see UV light and will it effect their nocturnal behaviour?

I believe that a red filter may work too.

Fish are reported to have poor vision in the red spectrum, as this light is filtered out first by water. Nocturnal fish supposedly even more than others

They've got a red light over the octopus at Southern Encounters Aquarium and he always seems to be out and about. It's a very dim red though :].

Good luck.

a red light is best , red florescent tubes dont work as well as incandescant lite(ever seen the red heat lites for reptiles) also leds may work .UV lites arent good for much in an aquarium unless its off the right wavelength to kill pathogens and somewhere inside a filter where u cant see it(they can blind you, different to the 1s they sell at flurmo!) the other thing is having tryed this myself a "blacklight" will only illumiminate about 5cm below it and is not very bright water and glass must filter the violet colour a bit

so yes, go for the red

Thanks guys

great info

Do you think that one of these might do the trick.

http://www.trademe.co.nz/Electronics-ph ... 957095.htm

DOH !!!!! didn't read it properly. It's invisable to the naked eye.

You can buy both red lightbulbs and red fluro tubes. You could try a few small red leds to.

or a couple small red neon/cathode things whatever there called lol

I think you mean LED's :lol:

nope :lol:

http://www.trademe.co.nz/Computers/Components/Cases-power-supplies/Cases/auction-189930856.htm

Ahhh... Cool

Cheers

uv wouldnt be overly good, seeing as you cant see it