fish-tank › fish species
Swordtail (Xiphophorus hellerii)
Active livebearer — needs 30in+ footprint; males develop the tail-sword extension at maturity.
Specifications
- ecosystem
- freshwater
- min tank gallons
- 29
- adult size in
- 5.5
- temperature range f
- 72-79
- ph range
- 7.0-8.4
- gh range dgh
- 12-25
- care difficulty
- beginner
- aggression
- peaceful
- community compatible
- yes
- schooling min count
- 1
- diet
- omnivore
- lifespan years
- 3-5
- tank zone
- mid
Sources
- Aquarium Co-Op video / blog content · ingest 2026-05-06
- Practical Fishkeeping public articles · ingest 2026-05-06