What Temperature Do Goldfish Breed At?
What Temperature Do Goldfish Breed At? It’s best for the water to be kept at a steady temperature between 70°-75°F (21°-24°C). The eggs will hatch in 2-4 days. How do you know when goldfish are ready to mate? Goldfish are ready to breed when males display white “pimples” on their gills and fins (like this)