Goldfish for about 150G pond?

So I have a preformed pond unit whish is nicely shaped, kind of eight shaped and curved. It's about two meters long by a meter and a half I think? It's pretty big and 150 gallons. I currently have two little fancy goldfish but we are moving country soon, so have to rehome them.

When I re-set it up, how many comets do you think I could have if it's got healthy plants and no filter?

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Permalink Reply by Jonathan Lockhart on July 30, 2011 at 7:33pm

I would highly recommend a filter with it being outside.

I'm not sure how big comets usually get but mine are 9-12cm and I have five in my pond which is about 100 gallons. (I'm expanding it to 300 gallons soon)

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Permalink Reply by Sara - MyFishCare101 on July 30, 2011 at 9:46pm

Yeah, I've wanted a filter but my dad said no (electrisity bills) but I put in some anacharis and the water is crystal clear.

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Permalink Reply by Hmoobthor on August 1, 2011 at 5:43pm

i have seen some solar power water pump which I am sure you can DIY to work with some media for water clarity.....

They sell it here for $20...

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Permalink Reply by Clarke on August 1, 2011 at 7:04pm

If you do not have a filter, I would not recommend getting any more than a couple of comets. Comets can get to be quite large (over 12 inches)

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Permalink Reply by Salty Wayne on September 21, 2011 at 10:52pm

commets get big and i have..... a lot of them they need a lot of swimming space they get 14 inches long if you take care of them honestly i think its too small but i mean you could fit maybe 2-4 in there but they'll breed then you'll have a lot lol