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PisciDex Species Profile
Swordtail
Active larger livebearer known for the male's tail extension, best kept in roomy covered aquariums with peaceful robust tankmates.
Xiphophorus hellerii
Poeciliidae | Central America | Veracruz, Mexico to Honduras
Core Requirements
Tank Size
30 gallons minimum
Adult Size
5.5 inches
Group Size
Group 4+
Bioload
3/10
Water Parameters
Temperature
72-82 F
pH
6.5-8
Plant Safe
Yes
Invert Safe
Yes
Data Confidence
Unknown
Behavior & Husbandry
Temperament
Peaceful
Aggression
2/10
Diet
Omnivore
Difficulty
Easy
Lifespan
4 years
Breeding
Easy
Schooling
Yes
Compatibility Tags
CommunityPeacefulSchoolingMid WaterTop WaterPlant SafeInvert SafeBeginner FriendlyHardwater
Species Compatibility
Database-driven compatibility notes for planning community aquariums.