2.5 Gallon Newbie - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 22 Old 05-19-2011, 03:39 PM Thread Starter
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2.5 Gallon Newbie

Hello all, I am new to the forums and would like to start a fresh aquarium. I own a 2.5 gallon aquarium and am curious what would be a good fit. I previously owned a betta, but he has gone the way of the toilet . I'm willing to try again, but I'm more interested in more active fish and possibly several. Any resources/recommendations? Thanks!
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post #2 of 22 Old 05-19-2011, 04:10 PM
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Welcome to Tropical Fish Keeping forum.

Your biggest problem is space; a 2.5g is very small quarters. A single Betta is the usual choice for this size of tank, or some have freshwater shrimp and/or snails.

The problem with fish is that while there are some quite small ones, they are shoaling fish, meaning they live in groups. Shoaling fish have a need for being together, which can be internal security (they "feel" safe in numbers, therefore have less stress) and/or interaction (social structure, pecking order, etc). Denied this they will be stressed and, frankly, unhappy. This causes other health [problems and usually a shorter lifespan.

Any chance of getting a 5 gallon tank? This would open up quite a number of possibilities in small fish, such as the Mosquito Rasbora, Dwarf Emerald Rasbora, Dario dario, Celestial Pearl Danio, Ember Tetra. These are just a few that I've mentioned because they are included in our fish profiles so you can find information about them; click on the shaded name to see that fish's profile. The profiles in general are under the second tab from the left in the blue bar across the top of the page.

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 #3 of 22 Old 05-19-2011, 04:42 PM
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I think I would up that even more, the larger the more bacterial growth the less you have to worry about water quality. a smaller aquarium you think would have less issues but infact water quality can change drastically if unchecked. id probably do a 10 gal or 20gal. but if you dont have that kind of start, a small species tank could do. option is a dwarf shrimp tank will work in that situation of a 2.5 gal. or even a species tank of pea puffers (dwarf puffers).
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post #4 of 22 Old 05-20-2011, 12:44 AM Thread Starter
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Would anyone be able to direct me to a good cheap 5/10 gallon glass aquarium? I would love to expand, but I'm pretty much as poor as dirt.
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post #5 of 22 Old 05-20-2011, 12:46 AM
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Walmart sells the empty tank for around 13 dollars in some stores or for $12 plus 97 cent shipping online.

20High Planted
  • Neon Tetra-8
  • Mystery Snail
  • Ghost Shrimp-2
  • Guppy-1
  • Ramshorns
  • Pond Snails


Fund My Fishies!!
http://www.youravon.com/amullenix
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post #6 of 22 Old 05-20-2011, 12:58 AM Thread Starter
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Did some shopping around, that's what I found. Thanks for the confirm
In that case, I'm going to wait. I'm getting married soon and it'll be much easier to begin an aquarium there instead of before
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post #7 of 22 Old 05-20-2011, 02:20 AM
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check craig's list. and local thrift stores. you never know what you could find in a thrift store. but just be cautious and make sure that your tank is safe for your fish. buying cheap things comes with cheap materials so make sure theres no cracks, add water to see if there is any leak. good luck :)
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post #8 of 22 Old 05-20-2011, 02:22 AM
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As for active fishs the Danio species is VERY active. Barbs are also active.
Some danios are cheap and some barbs. I do like the Cherry barbs and the Choprae Danios.
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post #9 of 22 Old 05-20-2011, 04:00 AM Thread Starter
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Oh, I did have one question... Could I put, say, any Danios or Tetras in a 10 gallon tank with the same recommendations as the specific Danios/Tetras previously mentioned? Or should I stick to those particular species?
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post #10 of 22 Old 05-20-2011, 10:58 AM
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Quote:
Originally Posted by ydnom89 View Post
Oh, I did have one question... Could I put, say, any Danios or Tetras in a 10 gallon tank with the same recommendations as the specific Danios/Tetras previously mentioned? Or should I stick to those particular species?
I don't consider a 10g tank suitable space for any danio. The reason is their level of swimming activity. Danio species are active swimmers, and such fish need space to swim actively. Makes sense.

Some characins (tetra) are the same, some are not. Fish like neon tetra are quieter that fish like rummy nose tetra, so neons will be better suited to somewhat smaller spaces than rummy noses, considering here only swimming space. Other considerations are also important.

We have fish profiles here, second tab from the left in the blue bar across the top of the page. Or when a fish or plant name appears in a post exactly as it is in the profile (scientific or common name), the name will be shaded and you can click on the name to see that species' profile. In the profiles it gives minimum tank sizes (depending upon the species' needs, this can be in gallons or tank length which is often more important) and minimum number of the fish in a group (some fish are shoaling and need a group), along with compatibility issues, suitable tankmates, special needs, and so forth. And each species has one or more photos.

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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