Vinegar is acidic. If too much vinegar is added to water, the pH of the water will decrease and the fish will die.
pond
yes
The goldfish will eat the mosquito's larvae before they can leave the pond and fly.
This is a literature question not a goldfish one.
no the goldfish would it the tadpole
goldfish
Year round, but especially in Spring for pond goldfish.
snails
Yes they can
usually cats
not if it is your pet. you have to go to the oet store for certain pet food for goldfish
goldfish