Can Guppy Live With Swordtail?
Guppy and Swordtail are compatible. Temperature overlap 72–82°F. Both peaceful.
Conditions: Minimum 20 gallon tank.
Parameter Comparison
Tank Requirements for Guppy + Swordtail
To keep Guppy and Swordtail together, you need at minimum a 20 gallon tank. Guppy should be kept in a school of 3+. 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
Guppy
Poecilia reticulata
Guppies are colorful, hardy livebearers that are perfect for beginners. Males sport spectacular tail patterns in every color imaginable, while females are larger and less colorful. They breed prolifically — a single female can produce 20–50 fry every month — so plan accordingly or keep only males.
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 →