Goldfish resting at the bottom can indicate several issues:
Common Causes
- Illness: Swim bladder disorder, parasites, infections.
- Water Quality: Ammonia/nitrite toxicity, low oxygen, temperature swings.
- Environment: Stress, lack of enrichment.
- Normal Behavior: Occasional resting is natural.
What to Do
- Observe behavior.
- Test water parameters.
- Check temperature (68–72°F ideal).
- Feed a balanced diet.
- Maintain tank cleanliness.
- Consult a fish vet if symptoms persist.