Can Goldfish Live With Swordtail?
Goldfish and Swordtail are compatible. Temperature overlap 72–75°F. Both peaceful.
Conditions: Minimum 20 gallon tank.
Parameter Comparison
Tank Requirements for Goldfish + Swordtail
To keep Goldfish and Swordtail together, you need at minimum a 20 gallon tank. Swordtail should be kept in a school of 3+. Provide adequate filtration, stable temperature with a heater, and hiding spots to reduce stress.
Species Profiles
Goldfish
Carassius auratus
Goldfish are among the longest-kept ornamental fish, with a history spanning over 1,000 years. Despite their reputation as easy, bowl-dwelling pets, goldfish actually require spacious tanks with strong filtration. They are cold-water fish that should not be kept with tropical species. Common varieties include comets, fantails, orandas, and ryukins.
Full care guide →Swordtail
Xiphophorus hellerii
Swordtails are hardy, colorful livebearers named for the distinctive elongated lower tail fin (the 'sword') found on males. They come in many color varieties including red, pineapple, marigold, and tuxedo. Larger than guppies but just as easy to care for, swordtails are excellent community fish that prefer hard, alkaline water.
Full care guide →