*UPDATE* My mom seems set on a Common Pleco...

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Kama created the topic: *UPDATE* My mom seems set on a Common Pleco...

Before, I had been considering getting a pleco for my Oscar tank. Mostly to help clean. I had been doing more research and most had advised against it. So, I had tossed the idea. I feel my Oscar is happy enough.

Recently, my mom showed me a large pleco a guy has for sale online. I tried to not show interest by saying that the tank would be too small. Later she says I'm going to get it in a few days!

Should I still get the pleco or not? I have a 75 gallon tank with one 11 inch Oscar.

Update: She ignored what I had to say about your advice and said we're still getting it anyway. What do i do now?

I don't need kids. I have an Oscar named Bi-Bi.
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muddybear replied the topic: My mom seems set on a Common Pleco...

Simple answer-NO!

Tank is too small for an adult Oscar and common pleco. Oscar could make 14 inches, pleco could easily make 20-24!

Don't be fooled by the notion that a pleco will "clean" your tank-this is simply not true. They are huge eaters and therefore huge waste producers and consequently will have a huge (and negative) affect on your tanks bioload.

If you do go ahead, be prepared for DAILY 75/80% water changes and potential long term health issues with both fish (particularly Oscar) due to poor water quality.
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  • OFL
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OFL replied the topic: My mom seems set on a Common Pleco...

I can only repeat what muddy bear has already said, Pleco's chomp away on algae like it's going out of fashion. It is a common belief that these fish are tank cleaners. Often people have bought one of these fish home, put it in their aquarium and next day they are absolutely amazed when the glass is really clean after being covered in algae. Problem is, when they crap out algae it comes out looking like long shoelaces. Obviously, you can't leave this in your aquarium. It would be easier and quicker to use an algae scraper to remove algae from the glass than having to get the syphon out to remove all the crap which will appear every day.

And muddy bear is also absolutely spot on when they talk about the size these fish get. I've seen them exceeding 24 inches myself, they are truly gargantuan creatures. They can easily exceed 40 ventures and a small aquarium because they got a constant supply of food with both algae and any uneaten food that the other fish don't eat.

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Kama replied the topic: My mom seems set on a Common Pleco...

That's what I thought. I really don't want to go back to daily water changes.... I had to before when my Oscar was in a smaller tank and the filter broke. Our emergency filter was too small at the time.

Thanks for the input.

She seems happy enough on her own.

I don't need kids. I have an Oscar named Bi-Bi.
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Suprd71 replied the topic: My mom seems set on a Common Pleco...

Never expect a big pleco to clean anything. Keep them only if you like them and have space for them. Your Oscar has your 75 pretty well maxed out for water volume, bioload and swimspace. A common pleco of the same size will produce a MINIMUM of DOUBLE the waste your Oscar does. Oscar is a big messy fish, heavy strain on the water of any tank they inhabit. Common pleco is on a whole other level. I have a couple of 12-14in plecos in tanks 3x the size of yours. I need a severe substrate vac and heavy water change 7-8 times a month to keep all inhabitants healthy


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