Bunstay — Your underwater secrets, daily.
A bare-bottom quarantine aquarium with a sponge filter and heater, lit softly from above

Betta Fish Diseases and Health

Something is wrong. What is it?

Symptom-first identification and treatment, sourced to veterinary and welfare literature. We give honest prognoses, including when a condition is usually fatal.

A quarantine tank set up and runningIllustrative image of a hospital tank, shown for atmosphere. Not a photograph of a sick fish.Illustration

What this section covers

  • Symptom-first diagnosis
  • Fin and body conditions
  • Parasites
  • Internal and swim bladder problems
  • Behavioural symptoms
  • Quarantine and hospital tanks
  • Medications and aquarium salt
  • Prevention

Guides for this section are being written and published three times a week. In the meantime, the care basics section covers the essentials.