Apr 26, 2017 #1 G guppylvr11 Aquarium Advice Activist Joined Apr 26, 2017 Messages 116 My guppies swim at the top of the tank or up and down the aquarium walls what does this mean?
Apr 26, 2017 #2 toolman Aquarium Advice Addict Joined Mar 19, 2017 Messages 1,275 Location Indiana Fairly typical livebearer behavior, mine do it as well.