Picture of Several of my shrimp

[GDominy]

http://aquafiend.plantedtank.net/images/Mar2203/shrimp.jpg

I just thought I would share this picture. I snapped this on the weekend after a water change. I was quite surprised to see 5 of the 7 large filter feeding shrimp all located in one spot!

[tammy911]

Very cool picture! What kind of shrimp are they? I am interested in getting more info on shrimps. From my understanding they are very good at helping keep a tank clean. What , if any, are the downside to keeping them?