Hello! You have a wonderful site! I have been researching fish for my new aquarium for a few months. I thought you would like
to know that your site was the most helpful in deciding which fish would be compatible.
I have a 72 gallon bowfront aquarium that has been set up for 1 week. I'm using a canister filter but was wondering about the biowheel. Is the canister enough? I do not have any
fish yet. I'm thinking of getting 6 Angels, 3 Great Danios, 6 Rainbows, 5 Gouarami, & 4 Clown Loaches.
Can you forsee any problems with this combination? Also, does it matter in what order I introduce these species into my tank?
Thanks for your help!
Reply. Hello Wendy. Canister Filters are antiques, you should get two Penguin 330 Filters for your new aquarium. Click here
for more information about BIO-Wheel filters.
The group of fish species that you have chosen is compatible. But the Giant Danios will be happier living in a group of six Giant Danios. Similarly you should get six Clown
Angelfish and Clown Loaches often do not do well in new aquariums. You should start with the Giant Danios. After about three weeks add the Gouramis, then wait another three
weeks before you add the Rainbows, then the Clown Loaches and finally the Angels.
I heard that you can't put gold fish inwith other fish because of their waste puts out ammonia and stuff and it kills the
other fish. Is it true?
Please get back to me.
Reply. All fish give off ammonia an other waste. If the fish are not crowded and the aquarium has proper filtration, the ammonia and waste will
not be a problem. Click here to read about aquarium filters.
But Goldfish are not compatible tank mates for Tropical Fish. For example, Goldfish prefer cool water and eat Goldfish Food. Click here
for more details about keeping Goldfish in Cool Water Aquariums.
Tropical Fish must have warm water and eat Tropical Fish Food. Click here for more about Warm Water Aquariums.
I read your section on keeping goldfish. In it you said that your regular goldfish might not be happy at all being kept with comets or koi. The article didn't however,
explain why. I have a comet in my tank of goldfish and would like to know what that comment means.
Reply. Hello Joy. Thank you for your question. In my mind there are three Groups of Goldfish.
Pond Comets which have so-called comet-tails with two lobes on their tails that are arranged with one lobe above the other. We sell Pond Comets
like the one shown to the left at our website. Click here for more information about the Goldfish in this Group.
Fancy Goldfish with two lobes on their tail fins that are arranged horizontally with one lobe to the left and the other to the right of the fish.
This Group includes Fantails, Black Moors, and Orandas, Click here for more about these Goldfish.
Very Fancy Goldfish, like the Red and White Ranchu shown
to the left, plus Lionheads, Bubble Eyes, and Celestials have very limited swimming ability. We do not have more information about this Group on our website.
This is a Bubble Eye.
Goldfish, which is also a member of Group 3. The bubbles, which are under the eyes, are actually enlarged tear ducts. Bubble Eyes will
usually be nipped by the Goldfish
in Group 1 and Group 2.
The Goldfish in Group 1 swim faster than fish in Groups 2 and 3, eat most of the food and will usually nip on fish in Groups 2 and 3.
The fish in Group 2 swim much faster than fish in Group 3, eat most of the food and usually nip on fish in Group 3.
So Goldfish from Groups 1, 2, and 3 should each be kept separately with Goldfish in their own Group and not be mixed with Goldfish from the other two Groups.
For example, keep the various types of Goldfish in Group 2 together but do not mix them with Goldfish from Group 1 or with Goldfish from Group 3.
All of the Goldfish in these three Groups are the same fish species, Carassius auratus, and could possibly interbreed.
Koi are a different fish species, Cyprinus carpio, and will certainly grow too big, swim too fast, eat all the food, and nip on all the types of Goldfish in Groups 2 and 3. But sometimes Koi and Goldfish from Group 1 get along for a while,
but not always.
now for more information about Koi.
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