Woah, your tank is way overstocked. 26 liters is about 6 gallons. Have you heard of the 1 inch per gallon rule? While it doesn't apply to many fish, it applies more or less to small bodied fish like guppies.
If you want to keep your tank, you could have 4 guppies, and that is all. Tetras are not suitable to this tank because they are schoolers and need to be in groups of 5+.
Your fantail will need a tank that is at least 15 gallons, and he must not be kept with the others, because they are coldwater fish that need temps of 68-72F, whereas the other fish you mentioned are warmwater fish needing temps of 78F.
If your want to keep your mollies and guppies, you could get a 30-40 gallon tank (you could likely find one for about 50$, used, with filter and heater). If you go bigger than that, you could add any combination of community fish, like gouramis, tetras, platies, endlers, swordtails, loaches, etc. Just make sure you respect the amount of space you have and research the fish before you get them. You might be surprised at how much swimming room a fish needs to be healthy.
2007-01-12 07:24:38
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answer #1
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answered by Zoe 6
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Guppy breeders often suggest to only keep guppies with other guppies because most other fish will harass guppies and or eat their babies. Neon tetras and small varieties of coridoras might be the only exception. I have had these together living in absolute harmony.
As for the fantails, if you mean goldfish fantails, you should be concerned because those have very short intestines and produce a lot of waste which is particularly toxic to guppies. Besides, tropical fish and cold-water fish are simply way too different with different needs.
You might consider two additional tanks. One for the fantails and another for the mollies. Then, you might be in a better position to think about more fish.
By the way, you will know the male mollies from the females by the modified anal fin on the adult males called the gonopodium. Adult females will be much larger and the males will perpetually chase the females.
Good luck!
2007-01-12 17:40:45
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answer #2
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answered by poecilia.r.lvr 2
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Your tank is already over stocked enough that adding any more fish to it will just cause that much more stress to them and cause the water to become that much more toxic. The general rule for the small slim bodied tropicals like the guppies and the mollies that you have is 1 gallon per inch, the fantails need a minimum of 10 gallons each per baby fish and 20+ when adults. They also shouldn't be together since fantails are a coldwater fish and the others are tropicals so they require completely different needs like different temps and different foods. If you would like more fish you should first give the fish you have now what they need then think about getting more later on.
2007-01-12 07:16:53
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answer #3
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answered by Nunya Biznis 6
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Honestly you need a bigger tank. The rule of thumb is one inch per gallon for small slim bodied fish like guppy, and molly. Given you have 26 liters ~= 7 gallons you've exceeded your bio-load by a large margin. You should test your ammonia, and nitrate levels.
2007-01-12 07:47:10
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answer #4
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answered by Anonymous
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i have were given all 4 of the most trouble-free livebears residing fortunately jointly interior of an same tank. Guppy, Molly, Platy/Moon, Swordtail. almost each thing that is not any longer very aggressive will mix with guppies. locate your human being %..
2016-10-30 22:37:45
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answer #5
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answered by Anonymous
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Make sure that the pet store uses or will tell you about community ratings. Community fish are ones that will get along better in a group. Some possibilities are Corys and Neon tetras. They will be happiest in small groups.
2007-01-12 07:20:45
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answer #6
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answered by Mark T 1
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I think that your tank is at capacity now. I wouldn't recommend adding any additional fish to the tank.
2007-01-12 07:30:33
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answer #7
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answered by Anonymous
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A SHARK
2007-01-12 07:17:52
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answer #8
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answered by Anonymous
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