well... you could but it will eventually start to stink and its not very good for that because it is to closed in for a rodent=..:)
yes
IN WATER!!!! (TANK!!)
it cleans the tank and keep the fish heathy
There are a variety of fish that can keep a tank clean. The type of fish will depend on the type of aquarium setup. In a freshwater tank, different types of plecostomus are most common.
Not unless you had another fish in there.
fish tank
fish tank
about 85F
With great difficulty.
The only fish you can keep in a 5 gallon tank is one betta (Siamese fighting fish) on it's own as that is a very small tank.
If the tank is large enough. For rearing young Oscars a 50 gallon tank is about right for 5 fish.
an aquarium or a fish tank