How to grow a goldfish big However, in the wild, goldfish often reach 12 to 14 inches (30 to 35 cm) in length. What do you feed very large goldfish? You can give your goldfish treats, just as long as it is ONLY ONCE A WEEK in temperatures ABOVE 65F (18C). These can include frozen meaty products, carbohydrate-rich fruits and others. Avoid the treats that look like human cheese puffs.
How To Grow A Goldfish Big
- Look for Goldfish with Exceptional Genes. All in all, the growth of your goldfish all comes down to one thing: genetics.
- Set an Ideal Water Temperature. According to recent scientific studies, the water temperature can significantly affect the growth rate of your goldfish.
- Proper Nutrition. Proper nutrition is crucial to your goldfish’s growth, especially in the first year of their life.
- Avoid Fish Bowls. Fishbowls are an absolute no-no in fishkeeping. Not only are they rather small, but these bowls also limit the oxygen amount that a goldfish needs to thrive
What Is The Growth Rate Of Goldfish?
The average growth rate of a goldfish is about one inch per year. Baby goldfish grow very rapidly in their first few months. Do goldfish grow bigger in ponds? Please don’t release your pet goldfish into ponds and lakes! They grow bigger than you think and contribute to poor water quality by mucking up the bottom sediments and uprooting plants.