Overview
The Swordtail (Xiphophorus hellerii) is a beginner freshwater species known for its red-orange, green coloration. Males have elongated sword-like tail. Mid to Top.
Origin & Appearance
Origin: Central America.
Colors: Red-Orange, Green.
Body Shape: Fusiform (torpedo/streamlined). Typical adult dimensions: 14.0 x 2.5 x 4.2.
Sexual Dimorphism: Strong; males have sword tail extension.
Tank & Water Requirements
| Min Tank Size | 20 gallons |
| Temperature | 70–82°F |
| pH Range | 7–8 |
| Water Hardness (GH) | 10-25 |
| Bioload | medium |
| Oxygen Demand | low |
| Plant Safe | yes |
| Aquarium Position | Mid to Top |
Behavior & Activity
Active mid-level swimmer; faster than platies; males chase females with darting sprints; capable of short speed bursts
Speed: 40/100Aggression: 3/10diurnalSchooling (4+)
Breeding
Easy; livebearer
Common Diseases
💊 Ich💊 fin rot
Expert Notes
Males have elongated sword-like tail
Compatible Tank Mates
✓ platy✓ molly✓ corydoras catfish✓ bristlenose pleco✓ neon tetra✓ cherry barb✓ harlequin rasbora✓ mystery snail