That depends upon the size of the fish bowl. Fish bowls are an invention of the past and were popular during the 18 century, but now, with reasonably good education, we know and understand the needs of a fish, and therefore realise that goldfish bowls are not suitable for keeping fish in.
2 might, or 20 might, -we have no clue about the size of the fishbowl.
it depends how big the fish bowl is
3 leters
1 barrel = 158.9 leters
2011
31.2
Without the volume of the small bowl, this question is impossible to answer.
That's going to depend quite a bit on the size of the bowl, and on how far up you fill it.
3
There are 100 grains of rice that you have to fill up a bowl with on freerice.com.
500
7,600