Best cold water fish for aquariums that you must know, Most of aquarium fish are tropical fish that only survive in warm water. The temperature range for the warm water is from 70-85 Degree Fahrenheit. In Celsius, this temperature is 20-26 Celsius. But there are fish available that can survive in cold water as well. So, in this article, we are going to discuss the best cold water fish for aquariums. These fish can survive at 50-60 Degrees Fahrenheit temperature. However, a few of them are large but a few are so small but all of them look good in the aquarium.
Best Cold water fish for aquarium
Here are a few best cold-water fish of the aquarium that you can get for your aquarium.
Check out common causes of fish death
Best cold water fish for aquariums that you must know Sunset Variatus Platy

Best cold water fish for aquariums that you must know
Sunset Variatus platy is one of the most likable and inexpensive Best cold water fish for aquariums that you must know aquarium fish that can survive in cold water without any heater. This fish is available in different colors that look beautiful in an aquarium tank. These fish are small and are almost two to three inches long. They are friendly and can live happily along with other fish.
Best cold water fish for aquariums that you must know Gold Barb


Best cold water fish for aquariums that you must know
Gold barb is one of the best cold water fish that prefers living with the group of fish. They are sparkly shiny yellow-colored fish that are two to three inches long. The adult size of this fish is 4 inches and they are also known as the Chinese barb. Β Gold barb is undemanding of water conditions and can live in cold water as well.Β Although, they would prefer flowing water as they originated from flowing and open water.
Best cold water fish for aquariums that you must know Rainbow Shiner


Rainbow shiner fish which has the scientific name Notropis Chrosomus originated from the United States. They are the most beautiful cold water fish that can grow to 3-3.5 inches. They are purple and pink colored fish and prefer a peaceful environment. They can live with the other fish who has the same temperament as these fish has. But these fish are a bit expensive and cannot be found easily.
Best cold water fish for aquariums that you must know Clown Killifish


Best cold water fish for aquariums that you must know
This type of Best cold water fish for aquariums that you must know killifish is one of the Best cold water fish for aquariums that can survive in cold water aquariums. They are Nano size fish that should be kept with small fish. They have beautiful small blue eyes and a vertical black line on the body. In the male clown killifish, there is a tail that looks like the flame of the rocket. Like all other killifish, they like to swim at the top of the aquarium tank.
If you want to keep the clown killifish in your aquarium you should maintain the pH level of the water to 6.5-7.8. They lay eggs on the floating plants and are not seasonal fish. They can survive for 3 years or more depending upon how you keep these fish.
Best cold water fish for aquariums that you must know Conclusion
If you donβt have an aquarium heater you can simply get the cold water fish. There are cold-water fish that are available in different colors as well as in different sizes. In the above article, we have listed down a few of the best cold water aquarium fish.
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