Bristle Nose Plecos are one of the easiest of the plecos to keep in the freshwater tank. These interesting little tank cleaners only grow to an average maximum of five inches in length. They are indeed algae eaters and do an amazing job of helping keep algae in check.
Aquarium cycling is a very important first step to having a healthy tank and healthy fish! It is not that difficult and is worth the effort.
Red Cherry Shrimp can be an interesting alternative to keeping tropical fish.