16 gallon - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 5 Old 02-27-2010, 12:11 PM Thread Starter
16 gallon

Hey Everyone! I guess I'm already suffering from MTS (Multi-Tank Syndrome)!

I have a 14 gallon tall tank with goldfish in it right now, and once the weather is nice, they are going outside in a pond, but I though that I would ask -

My question is would my 4 mollies I have do well in this tank? Or should I get a 20g long tank?

Currently they are in with my angelfish and their babies are turning into snacks.

My other thought for this tank was to get some zebra danios and ghost shrimp...

I do eventually want to get a hospital tank, but the LFS, stated that a 5gallon or smaller empty tank that I can siphon off water from the main tank and treat would be better than an established tank with different water. But that is a whole other question for a different day....

Just curious!


*** I stated 16 gallon but its really 14 gallon - sorry!
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post #2 of 5 Old 02-27-2010, 09:04 PM
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I think the 4 mollies would be fine in there. they will probably mate and you will end up with a few more. if you have a good filter you could throw a few other tetras and some ghost shrimp also.

Sick tanks for me have always been storage bins. Go to the wal mart or wherever and buy a plastic storage bin. they are sold in gallon sizes like 30 gallon or 45 gallon. set it next to your main tank and you can siphon water into the bin. instead of spending money on a sick tank, buy a simple hang on back style filter and you have a sick tank. when you fix the issue you can drain and store the bin. looks better then a hospital tank sitting around and at the same time your doing a water change on the other tank
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post #3 of 5 Old 02-27-2010, 11:12 PM Thread Starter
What a great idea for the sick tank!!! Thanks!

I wouldn't mind some neon tetras, but I'd really like some invertebrates. I would need to upgrade the filter the one I have now is a cheap HOB one.

LiveAquaria said lyretail mollies need a minimum of 30 gallons - so I'm thinking that the 14 gallon might be out.
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post #4 of 5 Old 02-28-2010, 06:33 PM
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I would also agree that 4 mollies in a 14g tank is going to be problematic for the fish; that is not enough water for those type of fish. To be successful, the fish for a tank under 20g should be quite small, max 1 to 1.5 inches; most of these will probably be shoaling fish that need to be in a group, but there are some nice options for this. Check the Fish Profiles section, the tank requirements for each species are given along with other important information.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #5 of 5 Old 03-01-2010, 12:48 AM Thread Starter
Just played musical tanks and the 14 gallon now has 1 male betta in it (came from my daughters 1 gallon tank)

I moved the goldfish to another temporary 20 gallon tank - I can't wait for the weather to warm up so they can go outside!!

I just can't stress how much I should have done my research before I bought my first tank and the goldfish. I had no clue they produced SO MUCH WASTE and needed SO MUCH ROOM!!! I mean seriously, you see pictures of goldfish in bowls all over the place. Now I know better, sadly they had to put up with my doing a cycle on the 14 gallon, but they were troopers despite the daily water changes.

Now I have them in a glass bottom - with no substrate - so it will be easier to clean. The 20gallon has all the tank's decor and 1/2 of one biofilter from my 55 gallon HOB filter that I'm still using until the canister filter is seeded. Hopefully this will work or they will be doing another cycle again!

Last edited by PaperclipGirl; 03-01-2010 at 12:50 AM.
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