What fish to keep and what to donate in my 90 gallon

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bearcat

Feeder Fish
MFK Member
Aug 9, 2022
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All of our fish are very little and we do not want to stunt these fish growth by making them grow in a small aquarium. We currently have: 1, 3 inch Oscar, 1, 5 inch clown knife, 1,5 inch common pleco, 4 red hooks and 2 blackberries dollars (all 2ish inch) 6 clown loaches 1.5 inch. We want to keep the Oscar for sure but what else seems proper, thanks
 
Welcome to the forum!
The common pleco, oscar, and clown knife will all outgrow that tank eventually, and should be rehomed.
 
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Thanks for responses. I will def keep Oscar but a few dollars and clown loaches will be overstocked? From what I understand clown loaches takes multiple years to get a decent size
 
but a few dollars and clown loaches will be overstocked

Absolutely. The oscar is already overstocking the tank IMO.
It's going to be difficult to keep up with the bioload of just the oscar, and the size of a single oscar in a 341 liter leaves very little swimming room for it. So adding any more fish doesn't help.

duanes duanes and Rocksor Rocksor would know more about just the single oscar overstocking the 341 liter than I would.
 
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Absolutely. The oscar is already overstocking the tank IMO.
It's going to be difficult to keep up with the bioload of just the oscar, and the size of a single oscar in a 341 liter leaves very little swimming room for it. So adding any more fish doesn't help.

duanes duanes and Rocksor Rocksor would know more about just the single oscar overstocking the 341 liter than I would.
+1
90 really is barely any space for a fish that has the potential to hit 15 inches (even a 12 inch fish is going to be lacking space), so an Oscar really has to be the only fish in that size tank.
 
so an Oscar really has to be the only fish in that size tank.

Just want to clarify, but shouldn't it be a fish that doesn't go in that size tank (which was my point, that the size of the oscar makes it too big for that size tank)? As you said, there's barely any space.
 
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All of our fish are very little and we do not want to stunt these fish growth by making them grow in a small aquarium. We currently have: 1, 3 inch Oscar, 1, 5 inch clown knife, 1,5 inch common pleco, 4 red hooks and 2 blackberries dollars (all 2ish inch) 6 clown loaches 1.5 inch. We want to keep the Oscar for sure but what else seems proper, thanks
Welcome aboard
 
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It's clear you don't think a solo oscar will be a very compelling set-up. If you return the oscar, pleco, and knife you could keep the rest for awhile.


Alternatively you can get smaller versions of all these species, and have a full set-up that you can keep for their entire lives.

I would recommend these:

A medium sized Cichlid like a convict(and most of their related species), firemouth cichlid, rainbow cichlid, medium sized acaras, and many others will work. I can't speak on the wet-pet value of all these, but my Convict has a lot of personality like an Oscar would. A lot of cichlids will become wet pets if kept solo or in pairs without other cichlid species to contend with, so there really are many options here if that is what you want.

You can swap the pleco for a bristlenose pleco which are IMO cooler while staying a lot smaller, there are other smaller plecos that will work but they are more expensive usually. Swap the loaches for almost any other loach most species are fine in a 90 gallon aside from the clown loach. The silver dollars can be swapped for several options as well I like Congo tetras, columbian tetras, diamond tetras, and if you want something very silver dollar esq I think white skirt tetras look a lot like them. The clown knife can be replaced with a brown african knife.

A set-up consisting of some of these species would have activity at all levels of the tank while not limiting you to just one fish.
 
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