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  1. #1

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    Default Aside from minnows and danios ....


    0 Not allowed!
    What other species of coldwater FW fish stay small enough to thrive in a 20-gallon tank? What invertebrates besides snails would do well in one that size? Minnows and danios are fine, but I like variety.

    By the way, my goldfish are back in their pond .....

    -- mermaidwannabe

  2. #2

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    Default


    0 Not allowed!
    I can't really think of any. What is in the tank now?
    26 gallon- 1 Clown Pleco, 3 Rummy-nose Tetras
    Read about my fish in my blog:http://www.aquaticcommunity.com/aqua...wjournal&j=467

  3. #3

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    Default


    0 Not allowed!
    Seven White Cloud minnows, two Hi-Fin bottom feeders, a Dojo and some snails. That's it, for now.

  4. #4

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    Default


    0 Not allowed!
    what temperature range do you expect it to be at? There are a lot of fish that aren't usually called "coldwater" but will do fine at average room temperatures.
    300 gallon mega tank: sailfin pleco, clown loaches, silver dollars, roseline sharks, congo tetras, new world cichlids
    125 gallon office tank: Africian cichlids, synodontis catfih
    75 gallon community tank: bolivian rams, black skirt tetras, dwarf neon rainbowfish, corys, harlequin rasboras, otos, bristlenose and bulldog plecos, assassin snails, various shrimp
    60 gallon goldfish tank: fancy goldfish

  5. #5

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    Default


    0 Not allowed!
    I expect the water temperature to be anywhere from about 55F up to about 62F with the average about 60F. During winter my fishroom will be colder, however, I have a space heater located several yards from the tank that will warm the room up a bit when I'm in there. There is some vented heating we had installed when the house was built, but because the contractor did it wrong, it's rather ineffective. Hence the need for the EdenPure.

    I know the minnows like it cold, and right now the water is cool enough that their colors are shining through brilliantly.

    I don't think the Dojo cares much, as long as it doesn't get too warm, and the Hi-Fins are active and feeding, so they're at the temp they like.

    I should probably invest in an aquarium thermometer, but never thought I would need one for non-tropical fish. There's no heater in the tank.

    --mermaidwannabe

  6. #6

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    Default


    0 Not allowed!
    okay, that's coldwater for sure. yeah, your options will be pretty limited at that temperature range.
    300 gallon mega tank: sailfin pleco, clown loaches, silver dollars, roseline sharks, congo tetras, new world cichlids
    125 gallon office tank: Africian cichlids, synodontis catfih
    75 gallon community tank: bolivian rams, black skirt tetras, dwarf neon rainbowfish, corys, harlequin rasboras, otos, bristlenose and bulldog plecos, assassin snails, various shrimp
    60 gallon goldfish tank: fancy goldfish

  7. #7

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    Default


    0 Not allowed!
    If it gets up to around 65 to 68F, would the other inhabitants still be comfortable, and maybe allow for a few more stocking options, as long as they stay small enough to not overcrowd the tank? What would be the better temperature range for the type of creatures you're thinking of?

    Aquarium heaters are mostly gauged for tropical fish, aren't they? There's no good way to set one so it keeps the temps within the lower ranges -- say 65-68? I wouldn't want my coldwater tank to get into the 70s.

    Also, what species of danios can take colder water? Zebras come to mind, but when I had my earlier tanks, they were considered tropical fish and I put them in with tetras, in a warmer tank. I recall the Zebras were always sold as tropicals. If they can withstand cold water, they certainly are an attractive little fish which I would be willing to consider -- but only if they will thrive in my current set-up.

    -- mermaidwannabe

  8. #8

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    Default


    0 Not allowed!
    How big are those chinese hi-finned sharks? Those guys can hit 36", I'd say you're overstocked with them in there period.
    Quote Originally Posted by i_am_511
    Lighten up its just the internet its not like someone came in your house and punched a baby in the face.

  9. #9

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    Default


    0 Not allowed!
    Right now, they're only two inches long, and I read that they grow very slowly. I know they will eventually get very large. By that time, I will either have a system large enough to accommodate them, or I will rehome them through sale or donation. At the moment, they are very fun to watch, and their black and silvery banding is striking to look at. I got two of them because I also read that individuals prefer companionship of their own kind. They seem to be excellent ground feeders.

    When I get my 60 or 70-gallon coldwater tank, I will relocate them to that larger tank, into which I shall also house my goldfish. This should give them more room to grow somewhat larger, though of course, it won't accomodate their full adult size. By then, I will have made other arrangements.

    I'll probably donate them, eventually, to a public aquarium that has very large tanks.


    -- mermaidwannabe
    Last edited by mermaidwannabe; 10-14-2010 at 03:10 AM.

  10. #10

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    Default


    0 Not allowed!
    I came across this info at a website on cold water fish.

    "3. More Good Fish for a Cool Water Aquarium
    Fancy Goldfish are available in many interesting shapes and beautiful colors. White Clouds, Crabs, Ghost Shrimp, Tadpoles, Aquatic Snails, and Live Plants all do well in a Cool Water Aquarium with Goldfish, and all can eat the same food such as TetraFin Flakes.

    If you are looking to add a bizarre fish, a Dragon Fish may be just perfect for your aquarium. But keeping a Dragon Fish requires more skill than keeping Goldfish, and Dragon Fish need to eat live food such as Ghost Shrimp. Click here for more information about Dragon Fish."

    This is the website I found it on.
    http://www.aquariumfish.net/informat..._aquariums.htm
    65 gallon: Black Sailfin Pleco, Rubbermouth pleco, bristle nose pleco, 4 cory's and 4 goldfish.
    55 gallon fish tank: Two pairs of koi angels
    20 gallon:1 Pair Koi Angels.
    29 Gallon: 1 pr Convicts, 5 Skunk Botias
    10 gallon: Fry Tank
    http://s118.photobucket.com/albums/o...view=slideshow

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