For one thing, you don’t need to buy a heater and a thermometer, and you won’t be paying for expensive electricity.Īlso, many species of coldwater fish are not as expensive to purchase as tropical ones, although coldwater fishes can be just as colorful and beautiful to look at as their warm-water cousins.
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CheaperĬoldwater fish tanks typically tend to be cheaper to buy and maintain than tropical ones. Most newbies begin by keeping coldwater fish, and there are several advantages to that. When you are new to the fish keeping hobby, your first consideration is going to be what kind of fish you want to keep. Thanks to their origins, most types of goldfish and their relatives, Koi carp, can be kept successfully in outdoor ponds, surviving the cold of winter by hiding away in vegetation and the warmer depths of their habitat when the surface of the water freezes. Other cyprinids include common carp, Koi carp, and minnows, all of which are coldwater fish. Prussian carp are found in all the world’s temperate zones, although they originate from the chilly waters of Siberia. Goldfish are members of the Cyprinidae family that includes the Prussian carp from which all varieties of goldfish are thought to be descended. The most commonly kept coldwater pet fish that you see in home aquariums are goldfish. As far as aquarium fishes are concerned, coldwater species prefer water that is typically around or below 68° Fahrenheit. 31 Best Fish Species For A Cold Freshwater AquariumĬoldwater fish are fish species that prefer to live in cooler water temperatures than most tropical fish.