Tropical Fish Keeping - Aquarium fish care and resources

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Sucidemonkey 01-22-2009 08:40 AM

YouTube - PLECOSTOMUS --19 inches long

So i saw this pleco on youtube and was wondering. What size tank should i have to keep a 19" pleco

1077 01-22-2009 09:34 AM

Plecos that large do not belong in aquariums,, they belong in ponds.

Tyyrlym 01-22-2009 10:10 AM

There's no standard sized aquarium large enough. You'd need something at least eight feet long and three wide to give him enough room to move. Something in the four hundred to five hundred gallon range, minimum. You're probably looking at quadruple digit gallonage to keep him truly happy.

iamntbatman 01-22-2009 12:24 PM

I'll be a bit more conservative: plecos, while they are big fish and produce a heck of a lot of waste, don't require a whole ton of swimming room. I would say the minimum tank size for a 19" pleco would be a 180g tank, as this is the smallest standard size with a tank width of more than 18", giving the fish room to turn around. A 180g tank is 24" wide.

Of course, the bigger, the better, so a tank larger than this would certainly be appreciated. And, of course, with a 19" pleco in a 180g tank you'd need a truckload of filtration to handle his waste output.

Kim 01-22-2009 07:48 PM


Originally Posted by 1077 (Post 165761)
Plecos that large do not belong in aquariums,, they belong in ponds.

I'd have to agree. It can be done for sure, but it's just not worth in in my opinion. Just the water changes on the massive tank you would need would be crazy, and all that to keep one (rather inactive) fish is just not my idea of fun ;-).

As long as it's living conditions are acceptable however, I have no problem with it. I don't have all the dimensions in my head, but I'd say no less than 300 gallons, the bigger the better. I mean, my bettas in their 5 gallon tanks have a tank width many times their length and an even larger length. I just think that all fish should have enough room to really MOVE!

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