What temperature should a cold water aquarium be?
Since I don’t know the size of your tank, here are a few suggestions: The most common coldwater fish is the goldfish, followed closely by it’s larger counterpart, the Koi. However there are many other interesting fish that do not require a heated tank. Many coldwater fish are large enough that are only suitable for ponds. However, can be kept in adaquate aquariums. Barbs – Several readily available species of Barbs are tolerant of temperatures into the mid sixties, or even lower. All are easy to care for, and are suitable for a community aquarium. They include: the Gold Barb (Barbus schuberti), the Green Barb (Barbus semifasciolatus), the Rosy Barb (Barbus conchonius), and the Two Spot Barb (Barbus ticto). Bloodfin Tetra – Both the standard Bloodfin (Aphyocharax anisitsi), and the False Bloodfin (Aphyocharax dentatus) tolerate temperatures as low as the mid sixties. Bloodfins are offered in many pet shops, are easy to care for, and are quite hardy. They are active top dwellers and are
