Silver dollars in a 55 gallon tank.

[Ashdale]

Hey, I was wondering if it is possible to keep 3 (or more) common silver dollars in a standard 55 gallon aquarium for life. I am talking tank size, filtration is good. These will be the only inhabitants in the aquarium. Can this work? Thanks.

 

[tlindsey]

IMO depends on the specie of SD, some get too large for a 55 gal.

 

[Ashdale]

IMO depends on the specie of SD, some get too large for a 55 gal.

The silver dollars are just labelled as silver dollars and are the most common ones I've seen, silver with red anal fins (not any of the hook species)

 

[convict360]

Probably, be prepared for some really skittish glass banging though; my old trio were a nightmare

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[slippery slimecoat]

I have 5 spotted silver dollars in a 4'x2'x2' 120 gallon. The spotted SD grow a bit smaller than your typical 'common' SD, and I think I'm pushing it with my setup. SD are very fast swimmers and spook easily. I think there's good potential for them to hurt themselves in a 55.

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[Mr.Manaconda]

SD's tend to be very active swimmers. They do better with longer footprint tanks, especially as they mature. That being said....Although a 55 is not ideal, it's probably bigger than what most of the Walmart SD's end up in.