Goldfish, danios, pond fish, and fantails can tolerate cold water. Guppies, some dwarf shrimp, and platies can tolerate room temperature and cold water of around -19 degrees Celsius. They don't require an aquarium heater if the water temperature doesn't fluctuate much.
Do you have an aquarium without a heater and want new aquarium fish? This blog post lists various animals you can keep in cold or room temperature water.
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Can goldfish and goldfish live in cold water?
Goldfish and fantails are known for their cold-water tolerance. They're often kept in larger pond tanks at various pet shops and aquarium specialty stores. You'll also often see them among planters, which are all cold-water tanks.
Goldfish and goldfish thrive in cold water. In fact, they need cold water between 10 and 18 degrees Celsius. You often see them in ponds, cold-water planters, or in Dutch nature!
They are sometimes released into ditches and lakes. This is obviously not allowed, as the goldfish can survive this and grow very large. If they reach this size, they are harmful to the Dutch environment because they eat all the healthy aquatic plants. Therefore, never release your goldfish into a ditch or lake.
However, coldwater aquarium plants require different ones than those in a standard tropical aquarium. That's why I've written a blog post especially for you about which aquarium plants are good for goldfish and fantails.
Which aquarium fish can live in cold water?
There are several aquarium fish species that can survive in cold water. These are also usually the species found in ponds. We've listed a few for you:
- Goldfish
- Veiltails
- Guppies (+-18 degrees)
- Rainbow Shiners
- The Chinese danio
- Platy's (+-18 degrees)
- Molly's (+-18 degrees)
These are a few aquarium fish species that can tolerate colder water. However, new fish species are constantly being discovered and bred, so it's quite possible that many more fish could fit into this list. We've chosen to list the most common species here because you're more likely to see them in your local pet store. Do you know of any others? Let us know in the comments so we can add them.
Do you have questions about which fish can survive in cold water, or are you unsure which ones to keep?Click here for WhatsApp contact > and get in touch with us. This way, you'll have a dedicated contact person to answer all your questions.
Plants for coldwater fish
Not every plant can tolerate cold water, or well... they usually can, but they won't grow very quickly. Below, we've listed a few plants that do well in colder water, specifically for your cold-water/room-temperature fish!
We've been specializing in aquarium plants since 2019, and especially how to keep them in the best possible condition. With our unique greenhouses (see our YouTube channel ), we cultivate the best plants. That's why, based on this blog post, we 've also put together a plant package specifically for coldwater fish.
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Can you keep dwarf shrimp in cold water?
There are many different species of aquarium shrimp, and not all of them can handle cold water. Some species do better in colder water than others. If a shrimp lives in colder water, it becomes more lethargic and breeds less quickly. Neocaridina shrimp can survive at room temperature of at least 18 degrees Celsius. Caridina shrimp are more difficult to keep and require a minimum temperature of 21 degrees Celsius.
However, with shrimp, the colder you keep them, the slower they breed and the more lethargic they become. Therefore, in our experience, it's best to keep them all at a temperature of at least 21 degrees Celsius. What's your experience keeping dwarf shrimp in cold water? Or keeping other fish in colder water? Let us know in the comments below so we can update this article later and add more species.
Want to know which aquarium plants are good for dwarf shrimp? In our other article, we've explained in detail how to order the best plants for your shrimp aquarium. See which plants are good for aquarium shrimp here >
Special plants for colder water and shrimp!
In the section above, we've already included some plants specifically for cold water, but we understand that you might want to give your shrimp a little more attention. That's why we've included these shrimp plants that can tolerate temperatures around 18 degrees Celsius! Want to order a shrimp plant package? Of course, we also sell a special plant package for dwarf shrimp.
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 Cyperus Helferi
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Staurogyne Rubescens
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