Humans are actually one of the only creatures that can safely metabolize caffeine without too many adverse side effects. Studies have shown that Caffeine is considerably toxic to other animals, especially smaller animals. While I have no first hand experience I can only imagine that the Caffeine would kill the fish.
A fish bowl is not a solution its what you keep your goldfish/ beta fish in :P
it depends how big the fish bowl is
If it is as old as a goldfish that can, it can.
The cheapest way to keep a goldfish is to keep it in a fish bowl.........as long as the bowl is big enough the fish will be happy there.
Yes, provided the bowl is large enough.
A fish needs 20 litres in a bowl
Yes, like all pet fish, goldfish need more oxygen than can be provided by just a bowl of water.
It should be fine.
Bettas are. Goldfish really should have an aquarium if you want them to live.
Zero, goldfish need very clean cool water and are very dirty fish.
yes in fact i have a normal orange goldfish and a panda at home in my fish bowl
A beta or goldfish might be able to grow