The 5 gallon really isn't any better than the 2 gallon it's currently in. If the fish was allowed to grow, it would eat the frogs. However, the fish will not get big enough/live long enough to do so in such a tiny tank.
The 5pm gallon might work for the frogs, but I believe Comet Goldfish get huge.
I'll let more experienced keepers give you additional information, but meanwhile you might want to check the fish profiles (click on the shaded fish name in your message, or click on the link at the top of the page) to get more details.
If you don't already have the Goldfish I wouldn't get one, or if you do already have it maybe it can be returned? Posted via Mobile Device
A healthy comet goldfish will grow to around a foot long, and should have 75 gallons, or optimally a pond. And yes it will try to eat the frogs. The goldfish is also cooler water, while the frog is tropical.
This is not a fish for your average home aquarium.
The short answer is no. And you can't even keep the comet goldfish in there for very long. Comet goldfish grow to around a foot long, produce copious amounts of waste, and will eat anything that can fit in its mouth (this includes the frogs). Comet goldfish do best in tanks larger than 55 gallons and are really best in outdoor ponds. I'm sorry you have been lead to believe otherwise. If you are not prepared for something like this, return the fish. Leaving it in the 2 gal or 5 gal tank will cause it great harm.
++1^ Comets and small aquariums DO NOT mix! It is pretty unfortunate that the majority of society thinks that goldfish are the perfect fish for small aquariums or bowls. They are the exact opposite. Sorry for your misconception, good luck!
I currently have 3 ducks with a pond and due to your comments I will put the goldfish in their if it will they be ok with the ducks ( 2 White Pekin 10-12 lbs and 1 Cayuga 6 pounds - the gold fish eating them will not be a problem but I don't want the ducks to damage the comet ) ??? Sorry about the 2 gallon tank I won it at a fair and had to scramble to put something together ( I won 3 and this one is the only survivor and I am trying to nurse him back to full health) . Thanks
How large is the pond? And you're right, due to the wastes that the ducks have probably cycled the pond. Any live plants you have in there will certainly help. I honestly know nothing about ducks, so it would be neat to see pictures of your pond.
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