
Swordtail Care Guide: Tank Size, Diet, and Compatibility (2026)
Quick Answer: The Swordtail is a beginner-level freshwater fish needing at least a 15-gallon tank, 72-79°F water, and pH 7.0-8.4. Swordtails are hardy and forgiving, making them ideal for newcomers to the hobby. 📋 Table of Contents Swordtail Overview Tank Requirements Diet & Feeding Compatibility & Tank Mates Common Health Issues Swordtail Overview The Swordtail (Xiphophorus hellerii) is an excellent choice for newcomers to the hobby, native to Mexico, Central America. As a freshwater omnivore, this species has earned its place as a staple in community tanks, species-only setups, and planted aquariums worldwide. The Swordtail is a peaceful species that generally coexists well with other non-aggressive fish. With proper care and appropriate water conditions, Swordtails can live for several years and become a rewarding centerpiece — or supporting cast — of your aquarium. ...


