spider living in a water Aquarium?
 

Well I planted my aquatic 4 leaf clover in the tank a few days ago. While the growth is making me happy, there is something else that is kind of freaking me out a bit. I have a little tiny spider making a web (yes under water) in the plant. What the heck is this little guy, and how is he alive under water?

some spiders, like the one you are talking about are able to form a little bubble of air around there mouth and dive under water to build there nest. Kind of cool huh! post a pic

the guy is very tiny, maybe 2-3mm total. If I can find a way to get a good pic I will try. I have never said this about a spider lol but it is kinda cute. He has not left the clover all eve.

Some spiders are so small that they can absorb enough oxygen from the surrounding water.

I had a similar situation with a slug once. It was alive for days, seemingly indefinitely, until my dempsey ate him!