When you first get your crinum, it may look a little sad with melting leaves because it’s not used to your water conditions. Therefore, considering protecting the newly planted bulb by surrounding it with a ring of rocks or putting it in the middle of a large stone with a hole in the center. Unlike most of the other plants in this list, crinums are planted into the substrate and therefore risk being uprooted by your fish. Because the plant is so tough and thick, it does not get damaged when goldfish bump or chomp into the leaves. Like goldfish, it does well in higher pH and harder water. This slow-growing bulb plant is known for its long, crinkly leaves that can grow up to 4 feet (1.2 m) long. Thankfully, we’ve found several plant species that are not only easy to care for but also hardy enough to stand up to your goldfish’s curious nibbling. However, please note that filters aren’t miracles, and they don’t negate the many drawbacks of a bowl.Goldfish are notorious for munching on or digging up aquatic plants, which is a shame because live plants are both beautiful and beneficial, capable of consuming the toxic chemicals produced by fish waste. Filters provide mechanical, chemical, and biological filtration, all of which help remove waste and toxins from the water, improving and maintaining high water quality. If you are temporarily housing goldfish in a bowl, they absolutely need filtration. Is a Filter Necessary for Keeping a Goldfish in a Bowl? See Also: Goldfish Turning Red? Here’s What To Do!Ħ.We do not recommend attempting to maintain goldfish in a bowl by doing frequent water changes, as water changes can also stress fish. Please note that this frequency isn’t guaranteed to keep your goldfish safe in an exceptionally small bowl, ammonia poisoning and death of pet fish can occur in a matter of a few hours. When temporarily housing goldfish in a bowl, a partial water change should be performed on a daily basis while you find a better solution for their long-term housing. How Often Do Water Changes Need to Be Performed in a Bowl? Goldfish grow too fast for most bowls to keep up with their demands and end up stunted in bowls. Will Goldfish Have Stunted Growth in a Bowl? Placing them in a bowl would lead to their growth being stunted.ģ. Even the smallest variety of goldfish can reach a body length of at least 5-6 inches, with some common goldfish varieties easily exceeding a foot (12 inches) in length.

What Kind of Goldfish Are Suitable for a Bowl? It covers all you need to know about the ideal tank setup, tank size, substrate, ornaments, plants, and so much more!Ģ. If you're a new or experienced goldfish keeper who wants to get the setup right for your goldfish family, check out the best-selling book, The Truth About Goldfish, on Amazon. Housing a goldfish isn't as simple as buying a bowl.

Image Credit: Ko Thongtawat, Shutterstock For these reasons (and many more) housing goldfish in a tank is a task that’s best left to experienced fish keepers who only do so on a temporary basis for very specific purposes.

Pothos in goldfish tank