the best tank cleaners are bristlenose plecs. they aren't violent at all, in fact there the least violent suckermouths. get them as young as possible.
there not fighters though, so violent fish are a definite no. try to get them from auctions
Without many details to go by- in general the most common fish to do this, which is often called a "Suckerfish", is the Plecostomus.
They are called Plecostmus, or Plecos for short. Starfish also stick to the side of the glass.
None, no fish can live ON the fish tank.
Neons
Most! Maybe if you go to a pet shop and ask but mostly all fish can live with a goldfish in a tank
Decomposers are microorganisms. They live in plant material in the fish tank,
a small fish tank.
gold fish
A Betta fish!
Live Aquaria provides you with supplies to preserve a fish tank with salt water fish. Fish tank provides lighting, fish food, and more to help you maintain your salt water fish tank.
yes because there used to the tank and they become nocturnal
How many gallon tank do you have? How much is multiple? And what kind of fish? The bigger the tank the better. The more territories the better and if it is community fish the better. Not 100% they are all going to live in perfect condition's.
in a fish tank
look on the internet
In a tank? Snails, other fish, frogs.