Rummy nose and neon tetra shoals - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 7 Old 11-01-2012, 01:49 PM Thread Starter
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Rummy nose and neon tetra shoals

How many of each could I get for a 38 gallon (36L x 20H x 13W) aquarium? The tank will be heavily planted
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post #2 of 7 Old 11-01-2012, 03:04 PM
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I had 10 cardinal tetra's in my 55g and they were not staying together. I went to 20. They are so much happier, in my size tank.
Try 10 and 10 and see if that works for your size tank.

Sherry - Mossley Ontario Canada
10g,10g,30g,45g,55g, yes i have mts....
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post #3 of 7 Old 11-01-2012, 05:28 PM
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As it mentions in our profile of Hemigrammus bleheri (the brilliant rummy), this fish always does better with larger groups. In your 3-foot tank I would aim for 15 of this species.

Cardinals are a bit different, and a group of anything above 5 should be fine. In their habitat, observations have noted that in those with more open space the fish remain in huge groups of hundreds and stay close. But in habitats with sunken branches, aquatic or marginal overhanging vegetation that is thick, the fish tended to break up into smaller groups of 5-6, though still remaining close to the rest. And as Sherry noted, the tank size does impact; the more space, the more they congregate, which is obviously connected to what I just mentioned about their habitats.

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 #4 of 7 Old 11-01-2012, 06:37 PM Thread Starter
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Wow that's a lot of fish. Sorry, I'm coming back from saltwater where you can't keep quite as many fish in a tank. I'm glad that I get to keep so many fish though
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post #5 of 7 Old 11-01-2012, 07:29 PM
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Quote:
Originally Posted by bigfish93 View Post
Wow that's a lot of fish. Sorry, I'm coming back from saltwater where you can't keep quite as many fish in a tank. I'm glad that I get to keep so many fish though
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You mentioned well planted, and that makes a difference. Plus we assume weekly partial water changes of about half the tank volume.

You probably should look at some substrate fish too, and corys fit nicely, 5-6 of one species, or two species with 3-4 of each. Several species are in our profiles. And for some added interest, something unusual but very peaceful, a Whiptail Catfish or Red Lizard Whiptail? And if the water is soft, even add a Farlowella vittata for supreme algae control, and its pre-historic looks.

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 #6 of 7 Old 11-01-2012, 07:57 PM Thread Starter
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Awesome! You were a huge help when I was setting up my first planted tank Byron. I switched over to saltwater but now I'm back at it with a freshwater tank. I'm sure you will be a huge help to me again. It will definitely be heavily planted and I plan on doing some big water changes each week
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post #7 of 7 Old 11-01-2012, 08:30 PM
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I had 10 neons in a 20 Long, 30" L x 13" W and they schooled well until the plants grew in. Now they stay close but I would not call it schooling. They must feel protected because of the heavy plant cover.
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