Why is my Betta fish yellow, not eating, and acting like it's dying?

Question

I have a fighter fish it's red but this morning it's color turned yellow he won't eat and he swims crazily as if he's scared and then stops and looks dead but he's not. Can you tell me what's wrong with him and how can I help him? Pet's info: Fish | Unknown - Fish | Male | 44 lbs

Angel Alvarado, LVT · Accepted Answer

He appears stressed. When a fish has it's fine clamped, this means something is wrong. Check the water parameters. Temp should be between 78 F and 80 F. Chemistry should read 0 ppm (parts per million) for ammonia and nitrites, nitrates should be 40 ppm or less. You can use a home test kit or submit a sample for testing. Most pet stores or aquarists will do this for free or for a nominal fee. Correct any imbalances via partial water changes. Use aged or conditioned water that is temperature matched to prevent further stress or shock. If he has a bacterial, parasitic or fungal infection, you will need to treat him using an appropriate medication that can be purchased online or in the aquarium section of your local pet store.

Why is my Betta fish yellow, not eating, and acting like it's dying?

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