Best pet catfish

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In a 300 gallon, I would do a singular tigrinus catfish although on the pricier side compared to other catfishes. Don’t move much until feeding and one of the nicest looking out there. Rarely or no cases of fighting with tankmates, able to live together with arowanas, rays etc
Highly Predatory in nature as well and would prey on other fishes. Always wanted one for my tank but I no longer have the space for it.

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You mean...aside from my apurensis Jelly Cat?
Oh...never mind...:)
Ha ha

In a 300 gallon, I would do a singular tigrinus catfish although on the pricier side compared to other catfishes. Don’t move much until feeding and one of the nicest looking out there. Rarely or no cases of fighting with tankmates, able to live together with arowanas, rays etc
Highly Predatory in nature as well and would prey on other fishes. Always wanted one for my tank but I no longer have the space for it.

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thank you for the advice 😁 but do you know how big they get I have know clue

untill Recently thought the biggest tank Would I would get be like 200gal but now I have space for much bigger 300+gal
 
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thank you for the advice 😁 but do you know how big they get I have know clue
I would say the estimated size of tigrinus in captivity ranges from 24-30” usually. They are able to reach 3ft in length in captivity but that would be exceptional.
you have 300 gallons of water in your aquarium but dimensions are key as well, since catfish reside at the bottom. If you are looking at tigrinus, the width of the tank I would suggest for is 3ft to provide enough space for turning.
 
Take a look at Pimelodus ornatus. Can be kept singular or as a group. In your 300 you could have a nice size group of them. Then being able so witness the more natural behavior of being in a group. More active than some catfish, but does have its moments when it's sedimentary. They get to about a foot in size.
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May even be able to toss in a Sorubim lima or two. They guys hang mid level mostly waiting for prey to swim by. Again another 1ft catfish. So the 300 would be good for life.
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Unfortunately they require larger tanks but my two favorite cats are firstly the RTC for it's personality and intelligence and secondly the giraffe as it's a constant cleaner. Every morning my largest tank is redistributed and looks like a mine field of divots where the giraffes sucked up and blew out all the substrate.
 
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Take a look at Pimelodus ornatus. Can be kept singular or as a group. In your 300 you could have a nice size group of them. Then being able so witness the more natural behavior of being in a group. More active than some catfish, but does have its moments when it's sedimentary. They get to about a foot in size.
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May even be able to toss in a Sorubim lima or two. They guys hang mid level mostly waiting for prey to swim by. Again another 1ft catfish. So the 300 would be good for life.
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Those are some awesome fish but would they be able to go with my Oscar
 
Those are some awesome fish but would they be able to go with my Oscar
Yes indeed. If you have the Oscar already and it's has some size, you will have to look for some bigger ones. But if starting a all new setup and get them altogether I would get 2in Oscar or smaller and around 5in cats. They don't grow as fast as the O, so need a head start. I did have one with my O in a 125.
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