smallest tank size?

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Leo1234

Plecostomus
MFK Member
Jul 26, 2013
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California
I was going to help out a friend who is setting up an aquarium and I was wondering how small of an aquarium can a green sunfish be in by its self. All of my books say about 20 gallons, but that seems small to me. They might get a 20 gallon, so would any Lepomis work? Also, If they do get a green sunfish, could they have any minnows in there?

Thank you for all of the help.
 
green sunfish get to 30cm (12in) so I'd go a 75 usgallon at least, especially if you want tank mates. The lepomis gets to 20cm, and both fish are likely territorial, so Id say a 75g as a bare minimum, preferably bigger.
 
Yes dollar sunfish can work in a 20gal but they are super aggressive towards to each other.
 
Actually, up to about last week I was planning on setting up a 20 long for a green but had to postpone until the fall. After rethinking it I'd say if it stays in the average or small side you could probably get away with one in a 40 gallon breeder but the bigger the tank the less water changes and filth. Orangespots would be a good choice.
 
divemaster99 said:
Actually, up to about last week I was planning on setting up a 20 long for a green but had to postpone until the fall. After rethinking it I'd say if it stays in the average or small side you could probably get away with one in a 40 gallon breeder but the bigger the tank the less water changes and filth. Orangespots would be a good choice.
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The green don't stay smaller as most green sunfish I ever seen in the captivity get bigger than the ones in the wild.
 
MN_Rebel said:
The green don't stay smaller as most green sunfish I ever seen in the captivity get bigger than the ones in the wild.
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Those must be some big greens then since I'm catching 8" ones around here. I'd say go as big as you can then with a 50B as the minimum.
 
Seen lot of greenies in home aquariums surpassed 10" easily.
 
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