Algae in a goldfish pond is quite common with an increase in sun (light) and temperature. To try and keep algae to a minimum you will want to look at ways to provide the pond with shade, and regularly change out some of the water for fresh water during the warmer months.
Yes you do!!
It should be OK if you allow the temperature of the water it is in to adjust/equalise prior to placing it in the pond.
Goldfish are freshwater pond fish, fish in the sea live in salt water.
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
it depends on what type of fish.a goldfish has to be in room temperature water.
goldfish
HOW LARGE IS THE CONCRETE POND?
Year round, but especially in Spring for pond goldfish.