I have a 20 gallon high aquarium with a breeding pair of peacock gudgeons and was wondering after a visit to the pet store whether or not I should do ghost shrimp or amano.... While I was there they had a 3 for $1 deal on ghost shrimp but I passed because I wasnt sure about diseases and aggression... Right now my two fish are a little over an inch and I dont want to wake up to a ghost shrimp munching on my fish cause I have heard that they can eat small fish I think... But I do like amano because they eat all sorts of algae and fungus as well as clean up leftover fish food... I'm sure ghost shrimp also do some of those things but I want to know what I'm doing before purchasing one... Thank you for any help!