Dead goldfish

[Ian the bossman]

Can anyone identify what this is please. I have a 2 foot deep garden pond with a pump and filter, the water test shows no problems. I have 20+ fish in the pond, but they all look fine. Any help will be most appreciated.

 

[Lisak1]

Those are ulcers which are probably indicative of water quality issues.

When you say the water tests look "fine" can you be more specific - what did you test, what were the exact readings and what kind of tests are you using.

You said 20 fish - how big is the pond? Two feet deep, but how long and wide? What kind of filtration do you use?

Any info you can give will be helpful!

 

[j.w]

@Ian the bossman

 

[mrsclem]

Looks like the lower jaw is missing. Is that from the ulcers or was the fish deformed?

 

[Mmathis]

Hello and welcome! So sorry!

Ditto to what’s already been said. We can’t advise unless we have more information about your pond.