About Coldwater Fish

Coldwater fish, with reference to aquariums, can be referred to as the fish species preferring cooler temperatures of water as compared to tropical fish, usually below 20 degree Celsius (70 degree Fahrenheit). Certain examples are goldfish and koi. Such species have the tendency of growing more slowly, and living longer than the fish living in warmer waters. They are usually felt easy to be reared. Some of the famous varieties of coldwater fish are:

Salmonidae

Salmonidae can be described as family of ‘ray-finned fish’, including salmon, graylings, freshwater whitefishes, and chars. The ‘Trout of Genus Salmo’ and Atlantic salmon give order and family their names. Along with closely-related Osmeriformes and Esociformes, Salmoniformes consist of superorder Protacanthopterygii.

Weather loach

The species falling in the category of Weather loach include Misgurnus anguillicaudatus, Misgurnus fossilis, and Cobitis taenia.