Guppies, endlers, and shrimpIridium_2256 said:Yeah, even one is not advisable. Live aquaria recommend a 30-gallon tank(although you may be able to get away with smaller) and AqAdvisor says he will eventually outgrow it. Even with him being the only one in the tank, it's too small. There are many other good options for a 10 gallon though. What else would you have in mind?