The fish that's on the bottom probably is afraid of the one that's on the top and just wants to give the fish on top some space :)
some fish usually eat other fish or they find different things in the sea that are not always nice.
fish can be different
Absolutely! I Mean, theres always a risk that your turtle may eat the fish... But the GLofish are no different then any other fish!
BECAUSE THEY ARE ALWAYS UNDER WATER
depending on the other types of fish or he could be autistic or RETAARRDED
they are alike because they both are fish and they are different because one of them eats other fish and the other one doesn't eat other fisheis! :)
If you are at the point to where your other fish's life is in danger, consider moving them to different tanks.
Fish can't survive without water !
Because so you can diferense it
It is different by a fish has gills and a bird dont. A bird an fly a fish cant, see the difference?
they are flat
They have shells.