Red Hamburg Hifin Molly (xiphophorus hellerii)

The Red Hamburg Hi-Fin Swordtail is a premium livebearer known for its rich red coloration, contrasting dark tones, and dramatic sail-like dorsal fin. Males also feature the iconic elongated “sword” tail, giving this variety a bold, flowing appearance in motion.

Hardy, active, and constantly displaying, this fish adds both color and personality to community and planted aquariums.

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Max Size

• 4–5 inches (excluding sword)
• Males display longer fins and extended sword tails

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Tank Size

• Minimum: 20 gallons
• Recommended: 30–40+ gallons for groups
• Best kept in groups (1 male : 2–3 females)

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Tank Mates

• Peaceful to semi-active community fish
• Great with:
  • Tetras
  • Mollies
  • Platies
  • Corydoras
• Avoid:
  • Fin nippers
  • Aggressive species

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Diet

Omnivorous:

• High-quality flakes or pellets
• Algae-based foods
• Frozen/live foods (brine shrimp, bloodworms)
• Occasional vegetables

👉 Balanced diet helps maintain color and fin growth

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Care & Behavior

• Active swimmers—need open swimming space
• Hardy and beginner-friendly
• Males may spar—keep proper ratios
• Livebearers—breed readily in aquariums

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Why We Love Them

• Bold red coloration with contrast pattern
• Tall hi-fin dorsal + classic swordtail extension
• Easy to care for
• Perfect for vibrant community setups

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⚠️ Important Notes

• Can overpopulate quickly
• Long fins are vulnerable to nipping
• Maintain stable water conditions
• Provide space for active swimming