Can oranda goldfish and lion head goldfish live with pleco?

It's a matter of personal taste, some people say they never had problems. But other experienced pleco trying to feed from the fish slime coat and do big damages.

Personally I never hosted plecos with fancy goldfish for this reason and the fact that they somewhat are not that compatible regarding water temperature.
 
Heavily depends on species of pleco, many are comfortable low 70s. And also your water quality and space. Plecos are heavy bioload, so are goldfish, so good filtration is mandatory. And managing nitrates is a must.

Goldfish eat plants so finding plants to keep nitrates under 20 is a challenge you need to manage.

Size of tank is also a factor. Wouldn't do anything under 100g with goldfish plus a pleco, even with fancies. Not enough water to manage the bioload with both and meet their needs.

Over 100g, you can manage a pair or trio of goldfish and a pleco depending on species. Domestic bristlenose are fine low 70s. Certain common plecos are as well, but these grow massive.


I manage a 135g 6 foot long tank with 2 goldfish, also common pleco (Pterygoplichthys pardalis) and a domestic bristlenose. Additionally some small hoplo catfish and a ceratogarra cambodgiensis and it's a planted tank with anubias and crypts, plus I use emergent plants in the diy dump filtration and use pothos to keep nitrates in check. There's a total of 11 fish in this tank, 3 of them being large fish.

Temperature is kept at 73F.

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This wouldn't work in a smaller tank.
 
I have sinking pellet and sinking tablet and floating pellet and sinking pellet i used together though. Would this be fine to put 4 placo with 2 lion head goldfish and 3 oranda goldfish?
 
No... that's way too many fish.

4 plecos is way too much. You didn't read my response, did you?

If you've got 5 goldfish, that's too much to put with plecos, much less FOUR plecos 😬
 
What size tank?

What is your filter?


We can't answer if we don't have more information.

Both these fish poop a lot and many grow huge, even fancy goldfish.
 
If i want 2 lion head goldfish and 3 oranda goldfish how much pleco can i put?
If i want 4 pleco how much lion head goldfish and oranda goldfish can i put?

Thank you,
Sam
As @CassCats previously mentioned it is highly dependant on your tank size and filtration. A single oranda needs a minimum of 30 gallons! You would need a massive tank just for 5 goldish without any other fish. If you want a smaller fish with similar colours white cloud mountain minnow are an amazing option. There's a few different colours, they stay a lot smaller, their fins are beautiful and would just generally be a much better option.
 
You are good for 1 small goldfish and do 75% water change every 2 days.

None of these fish can live without very strong filtration and large space.

Still not sure if you're trolling to be honest... What is a medium tank ?
 
I'd like to think it is a language barrier, OP is from Thailand, so both language and differences in care standards are much different there than many other areas most of us are from.

@Nuttawet can you measure the cm of the tank, on all directions?

And you will need proper filtration, not just an airstone as you won't even have a cycle in that tank to keep ammonia from poisoning your fish. Please, let me know if you'd need help understanding this, I can use Google translate if necessary to help.
 

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