Jul 18, 2023
Why Is My Betta Fish Not Moving?
Betta fish can spend long periods resting, but sudden changes in behavior deserve attention.
Normal reasons for stillness
- Sleeping: bettas rest at night and sometimes during the day
- Resting spots: they like to lie on leaves or hammocks
- Cool water: bettas are tropical and slow down in cold water
Possible problems
- Temperature: keep the tank around 24 to 27°C (76 to 80°F) with a heater
- Water quality: ammonia and nitrite are toxic, so test water and change part of it regularly
- Small space: use at least about 20 liters (5 gallons)
- Illness: clamped fins, white spots, bloating or loss of color can signal disease
What to do
Test the water, check the heater, and perform a partial water change if readings are poor. Provide gentle filtration, plants and a resting leaf. If the fish stays at the bottom, breathes heavily or stops eating, consult an aquatic vet.
Prevention
A stable, warm, clean tank and a varied diet make for an active betta.
This guide is for general information only and is not a substitute for advice from a qualified veterinarian. If your pet seems unwell, contact your vet.
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