Are these oscars sick?

[eugi]

I have no idea what happened to them. It’s only gotten worse too. Yesterday I saw one Oscar with what looked to be an eye injury, thought they got in a fight and I was upset but brushed it off. Now I come home this morning after work and see this. He’s gotten worse and it looks like the other Oscar has some stuff on him too. These are my dads fish and I was thinking the tank is just real dirty but this looks like an illness. Any advice? What do I do?
Also, I don’t know any of the technical stuff he does with the tank, he handles all of that so I’m sorry in advance

 

[Rocksor]

Is the tank cycled? How long has it been cycled? Did you use liquid tests to determine the ammonia, nitrite, and nitrate levels? How big is this tank?

 

[kno4te]

Check the water values ASAP.

 

[tlindsey]

I have no idea what happened to them. It’s only gotten worse too. Yesterday I saw one Oscar with what looked to be an eye injury, thought they got in a fight and I was upset but brushed it off. Now I come home this morning after work and see this. He’s gotten worse and it looks like the other Oscar has some stuff on him too. These are my dads fish and I was thinking the tank is just real dirty but this looks like an illness. Any advice? What do I do?
Also, I don’t know any of the technical stuff he does with the tank, he handles all of that so I’m sorry in advance

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Welcome aboard
If you don't have a test kit take a of the aquarium water to your local pet store they can test it for you.

 

[tlindsey]

take a

Skipped the word sample sorry.

 

[Caveden]

Fins and eye seems to lead to bacterial infection imo

 

[eugi]

Is the tank cycled? How long has it been cycled? Did you use liquid tests to determine the ammonia, nitrite, and nitrate levels? How big is this tank?

Hello, I can’t answer these questions as my father is the one who knows about all that stuff, but I can say that the tank is a 50 gallon.

 

[eugi]

Welcome aboard
If you don't have a test kit take a of the aquarium water to your local pet store they can test it for you.

We will test the water once my father comes home later today

 

[eugi]

Fins and eye seems to lead to bacterial infection imo

Any advice on what medicine to give him? I don’t know where to start with treating him

 

[Rocksor]

Any advice on what medicine to give him? I don’t know where to start with treating him

We can't give good advice on medication until we know their living conditions and history.