Crowntail Betta (Betta splendens)

★★★★★ 4.8 30 reviews

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Product details

Management number 234590909 Release Date 2026/07/02 List Price $12.00 Model Number 234590909
Category

Crowntail Betta (Betta splendens) is a stunning and popular variant of the Siamese fighting fish, known for its spiky, crown-like tail fins.


Species Overview

  • Scientific Name: Betta splendens
  • Common Name: Crowntail Betta
  • Size: 2.5–3 inches (body length; fins can extend further)
  • Lifespan: 2–5 years with proper care
  • Temperament: Aggressive toward own kind; peaceful with compatible species 

Tank Setup

  • Minimum Tank Size: 5 gallons (10 gallons preferred)
  • Substrate: Fine sand or smooth gravel
  • Decor: Smooth ornaments, caves, and floating plants; avoid sharp edges
  • Filtration: Gentle flow; sponge or hang-on-back filter
  • Lighting: Dim to moderate; floating plants help diffuse light
  • Aeration: Not required due to labyrinth organ, but good oxygenation is beneficial [

Water Parameters

  • Temperature: 76–80°F (24–27°C)
  • pH: 6.4–7.0 (neutral preferred)
  • Hardness: 2–5 dKH
  • Ammonia/Nitrite: 0 ppm
  • Nitrate: <20 ppm
  • Tip: Use Indian almond leaves for natural tannins and stress reduction 

Diet

  • Type: Carnivorous
  • Staples:
    • Live/frozen: brine shrimp, bloodworms, mosquito larvae
    • High-quality Betta pellets
  • Feeding Frequency: 2–3 small meals daily; remove uneaten food after 2 minutes
  • Tip: Fasting once a week helps prevent constipation 

Breeding

  • Method: Bubble nest builder
  • Setup:
    • Separate breeding tank with warm, shallow water
    • Male builds bubble nest; female lays eggs
    • Male guards and tends to eggs until hatching (~2–3 days)
  • Fry Care:
    • Feed infusoria or liquid fry food, then baby brine shrimp
    • Keep water clean and warm 

Tankmates

  • Compatible With:
    • Peaceful, non-fin-nipping fish (e.g., Corydoras, small rasboras)
    • Snails and shrimp (with caution)
  • Avoid:
    • Other male Bettas
    • Fast or aggressive fish
    • Long-finned species (may trigger aggression) 

Read our blog post on betta care.






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