Keep the fish in a tank of at least 5 gallons
Use a lid to prevent jumping
Maintain water temperature between 76–82°F
Use a heater if needed
Use a gentle filter with low flow
Keep the water clean and fully cycled
Change 25–30% of the water weekly
Use dechlorinated water only
Test water regularly for ammonia, nitrite, and nitrate
Feed high-quality betta pellets
Offer frozen or live foods occasionally
Feed small amounts once or twice daily
Remove uneaten food
Avoid overfeeding
Keep only one male betta per tank
Avoid housing with aggressive or fin-nipping fish
Provide hiding places and soft plants
Avoid sharp decorations
Keep lighting moderate
Maintain a stable environment
Watch for signs of illness or stress
Quarantine new fish before adding them
Handle the fish as little as possible