that's probably a virus called "ick". My fish have had it many times, but only some have died if it's not taken care of. You should just go to the pet store and tell them you think your fish has ick and they should have a medicine you can put in the tank and it should disappear shortly.
Without a proper description it is impossble to say what they are. If they really are bugs and they worry you, it may be a good idea to take the filter out and give it a scrub.
It might be normal for a particular species of fish that is known to have white dots on their tails...
He can eat fish, fruit (including coconuts) acorns, red and white turnips. He cannot eat bugs.
If they are little white bumps just on the gills, then you have a male goldfish that is ready to breed. If the white dots cover its body then your fish is sick with ick, and you will need to go to the petstore to get meds. for the fish.
If you are in the aquarium stage, the white balloon is on the side of the black fish with white polka dots. It's only on one of its sides so you have to watch it turn and stuff.
He can only eat fish, not bugs
the fish will have dots
Goldfish are egglaying fish, so you would see several small white dots coming from her backend.
Some fish may eat bugs, others are simply attracted to them.
No. Their food is fish which they hide under their nose and as soon as they are partially digested provide with them their babies.
Filter a fish? Do you mean filtering a fish's tank? Well you have to filter any fish's tank.
it could be finrot, poor water quality, or harrasment from another fish.
Goldfish are egglaying fish, so you would see several small white dots coming from her backend.