Neon Tetra (Paracheirodon innesi)

Neon Tetra (Paracheirodon innesi), is a vibrant, peaceful schooling fish native to the Amazon Basin. It's ideal for beginner and experienced aquarists alike. 

Species Overview

• Size: 2.3–2.8 cm (adults reach up to 3.8 cm)
• Lifespan: 3–5 years (up to 10 years in optimal conditions)
• Temperament: Peaceful, social, best in groups of 6+
• Tank Level: Mid-dwellers
• Activity: Active swimmers, sensitive to sudden changes 

Tank Setup

• Minimum Tank Size: 10 gallons for a small school; 20+ gallons preferred
• Substrate: Fine gravel or sand
• Aquascape:
  • Dense live plants (Java fern, Anubias, mosses)
  • Driftwood and leaf litter
  • Subdued lighting enhances coloration
• Filtration: Gentle flow; sponge or HOB filters
• Lid: Required—they can jump 

Water Parameters

• Temperature: 72–78°F (22–26°C)
• pH: 6.0–7.0 (slightly acidic)
• GH: 2–10 dGH
• KH: 1–6 dKH
• TDS: 100–200 ppm
• Water Changes: 25–50% weekly
• Tip: Avoid sudden changes; stability is key 

Diet

• Type: Omnivorous
• Staples:
  • High-quality flakes or micro pellets
  • Live/frozen: brine shrimp, daphnia, bloodworms
  • Occasional blanched veggies (spinach, zucchini)
• Feeding Frequency: 2–3 times daily in small portions
• Tip: A weekly fasting day helps digestion 

Breeding

• Difficulty: Moderate
• Setup:
  • Separate breeding tank (10–20 gallons)
  • Soft, acidic water (pH ~6.5), temp ~78–80°F
  • Fine-leaved plants or spawning mops
• Spawning:
  • Males chase females; eggs scattered
  • Remove adults post-spawning
• Fry Care:
  • Feed infusoria, then baby brine shrimp
  • Maintain gentle filtration and stable conditions 

Tankmates

• Compatible With:
  • Small peaceful fish: rasboras, guppies, Corydoras
  • Shrimp and snails
• Avoid:
  • Aggressive or large fish
  • Fast swimmers that may outcompete for food