20 Gallon Stocking? - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 10 Old 03-31-2012, 10:59 AM Thread Starter
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20 Gallon Stocking?

Hello I have 2 twenty gallon tanks and want to stock one. In this aquarium fish book it gives a list of fish to stock in a 15 gallon aquarium. It shows a picture of a 15 gallon and then in a box says "Suitable Fish" and then the following.

Threadfin Rainbow Fish X 6
Honey Gourami X 2
Cherry Barb X 3
Clown Rasbora X 4
Pygmy Corydoras X 6
Clown Plec X 1
Japonica/algae Shrimp X 4
Siamese Fighting fish X 1

Would all of these really fit in a 15 gallon like they say? Would they fit in a 20 gallon like I have? Are they compatible and have the same water parameter needs? If they dont fit which of these could I have? Also if you can make another list of suitable fish for a 20 gallon. I just didnt think this would work since it doesnt follow the 1 inch per gallon rule.
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post #2 of 10 Old 03-31-2012, 11:37 AM
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the one inch rule is just a rough guide at best, there is so much more involved in finding compatible fish, including: fish temperment, behavior, adult size, and numbers requirements ; water chemistry; envrionmental conditons such as temp, current level/water flow.

the clown rasbora - assuming Rasbora kalochroma - gets to be around 4", so based on size alone, this wouldn't be a good choice

the cherry barbs would really need to be in a group of six or more

the fighting fish can be quite aggressive and is better suited as a single fish in its own tank
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post #3 of 10 Old 03-31-2012, 01:45 PM
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Another point is that the Siamese fighting fish (Betta splendens) shouldn't be kept with other gourami like the honey gourami. I personally don't think this stocking plan is a good idea. That many species in such a small tank isn't going to look that good. Smaller tanks look better with just a few species. If I remember correctly there was a thread floating around that detailed good fish for smaller tanks (20 gal and under). Maybe you should check that out and see what tickles your fancy. Oh and you can click on a shaded fish name for our profile on it that will give you comparability and water parameter information. Last but not least, welcome to the forum!

---Izzy

Sitting by the koi pond

writings on fish and fishkeeping


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post #4 of 10 Old 03-31-2012, 05:49 PM
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Welcome to Tropical Fish Keeping forum.

Like previous members have said, that stocking is not a good mix for several reasons.

In order for us to suggest possibles, we need to know your water parameters out of the tap (hardness and pH) to start with. Some fish are fussy, some adapt somewhat. Selecting fish suitable to your source water will be easier by far. The water supply people can probably tell you the hardness, they may have a website. A pH test kit is a good investment; the API Master Combo (pH, ammonia, nitrite and nitrate) is a good kit to have.

We also have profiles, second tab from the left in the blue bar across the top of the page. Many species are included, and each profile gives the minimum tank size, minimum number in the group where this is important, water parameters, and any compatibility issues. You could browse those for some ideas too, once you know the water stats.

Byron.

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 10 Old 03-31-2012, 05:52 PM
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Ah yes. I found the Nano stocking thread. I don't quite know where it was. http://www.tropicalfishkeeping.com/f...no-fish-96186/ These fish will do fine in a 20 gal. Look through this list and see what appeals to you.

---Izzy

Sitting by the koi pond

writings on fish and fishkeeping


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post #6 of 10 Old 04-01-2012, 11:02 PM Thread Starter
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What about having 2 honey gouramis
6 Cherry Barbs
6 Threadfin Rainbowfish
4 Japonica algae shrimp
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post #7 of 10 Old 04-02-2012, 09:38 AM Thread Starter
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Improved 20 Gallon Stocking

I had posted a thread before with a stocking plan that a book recommended for a 15 gallon but I have a twenty gallon. I was wondering if this would work.


2 Honey gourami
5 Cherry Barbs
4 Japonica algae shrimp
6 threadfin rainbow fish
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post #8 of 10 Old 04-02-2012, 09:47 AM
nice list can't wait for pics. try 6 barbs and make sure the shrimps have places to hide when molting.the barbs and gourami might snack on them

5x2x2 aro,highfin bat,fei feng,ST,albino tinfoil,c.perch
4x1.5x1.5 planted tetras,harlequins,
otto,WMM,2 types of celebes rainbows,rcs,amano, bamboo,red ramhorns,MTS
3.5x2.5x2 flowerhorn,pleco
3x1.5x1.5 russel's lion,blue cleaner,sixline and leopard wrasse,maroon clown pair,green chromis,scorpion,tiger cowrie,turbo,lyretail anthias,jewel,anemone,star polyp,marbled and giant green mushi,zoa
2x1x1 nano sw shrimps
22 May 2012
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post #9 of 10 Old 04-02-2012, 09:54 AM
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Quote:
Originally Posted by Zooman77 View Post
I had posted a thread before with a stocking plan that a book recommended for a 15 gallon but I have a twenty gallon. I was wondering if this would work.


2 Honey gourami
5 Cherry Barbs
4 Japonica algae shrimp
6 threadfin rainbow fish
Cherry barbs are much quicker than Gourami or Threadfins and could easily snatch food before the other's had a chance to feed.
Just sayin.

The most important medication in your fish medicine cabinet is.. Clean water.
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post #10 of 10 Old 04-02-2012, 11:21 AM
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Quote:
Originally Posted by Zooman77 View Post
What about having 2 honey gouramis
6 Cherry Barbs
6 Threadfin Rainbowfish
4 Japonica algae shrimp
I would leave out the cherry barb and instead consider maybe a rasbora, like one of the three similar species in Trigonostigma, all three are in our profiles. The two slightly smaller ones are especially attractive, Lambchop Rasbora and Hengels Rasbora, esp the latter which is bright copper. These are quieter fish, and will not fin nip. A barb is a barb, no matter which species, and all are active; the gourami with long fins and sedate manner is a temptation and in a small space like this tank the cherrys would be too close for comfort. The threadfins with their long trailing fins would also be targeted I'm sure.

Edit. I came across this same question in another thread so I have merged to two threads. Keeping the same topic in one thread is best as it ensures members see all posts and will give you a better response.

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]

Last edited by Byron; 04-02-2012 at 11:42 AM. Reason: merging threads
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