Pacu is lethargic

[Tyler Fish]

Have you tested your water?

No

If I did not test my water...

1. ...I recognize that I will likely be asked to do a test, and that water tests are critical for solving freshwater health problems.

Do you do water changes?

Yes

What percentage of water do you change?

31-40%

How frequently do you change your water?

Every month

If I do not change my water...

1. ...I recognize that I will likely be recommended to do a water change, and water changes are critical for preventing future freshwater health problems.

My pacu is still alive but is just floating around. I got him 1 day ago. I'm still new to monster fish keeping, but I am a experienced fish keeper. I acclimated him for around twenty minutes. He's a bit more than one 1 inch. He's with tree small goldfish and a 1.8 inch red tail catfish. He has not been picked on once.

 

[tlindsey]

My pacu is still alive but is just floating around. I got him 1 day ago. I'm still new to monster fish keeping, but I am a experienced fish keeper. I acclimated him for around twenty minutes. He's a bit more than one 1 inch. He's with tree small goldfish and a 1.8 inch red tail catfish. He has not been picked on once.

Welcome aboard
the water parameters need to be tested Ammonia, Nitrite, Nitrate, PH. A 40% water change per month is not good.
Is the Pacu at the top and in a corner of the aquarium? It's very possible for the Pacu to be picked on unless you're looking at the aquarium 24/7.

 

[Tyler Fish]

What percent water change should I do per month

 

[breadhead]

What percent water change should I do per month

I’d recommend not doing a 40 percent monthly, I’d do 25 - 30 percent weekly

 

[breadhead]

My pacu is still alive but is just floating around. I got him 1 day ago. I'm still new to monster fish keeping, but I am a experienced fish keeper. I acclimated him for around twenty minutes. He's a bit more than one 1 inch. He's with tree small goldfish and a 1.8 inch red tail catfish. He has not been picked on once.

Tank size?

 

[Tyler Fish]

10 gallon

 

[breadhead]

10 gallon

Are you sure?
Send a picture.

 

[Tyler Fish]

 

[breadhead]

A Redtail catfish grows up to 4 feet. It grows like 14” a year. Unless you have a 2000 gallon aquarium ready, send that back to the pet store.

 

[Tyler Fish]

I know what I'm getting myself into. I'm fully aware the size the can reach.