cold is better cuz when your in the ocean is the water hot or cold cold
Goldfish are meant to live in cold water, not the warm water in a tropical aquarium. This is a huge reason why goldfish and tropicals shouldn't be in the same tank.
It depends on the fish. tropical fish need warm water, goldfish and koi like colder temperatures. You have to know what kind of fish it is to really answer this one. Ask the people you buy the fish from what temp it needs.
Warm.
None, goldfish are cold water fish, so having a tropical fish as a tank-mate just wouldn't work because tropical fish need to live in warm water.
Yes. They probably do. They are coldwater fish, so probably.
It is not adviseable!
Some species of goldfish can survive in 0-degree water, but most goldfish won't survive in water below 10 degrees C. The fish would probably survive a while but would eventually stop moving and die.
plants need cold water to survive
they dont really mind! just dont make it too hot/cold because they will either freeze or over heat hope this helps :)
i think most fish, if not all, are cold blooded
I think that the shark would eat the goldfish probably. I suggest don't try it.