Quick Fish Compatability Question - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 11 Old 03-21-2009, 12:56 AM Thread Starter
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Post Quick Fish Compatability Question

I have a 29 gallon tank, and it has cycled for 4 weeks using six zebra danios. I was looking around at pet stores and trying to determine what kind of fish i want, and i came up with this list.

  • 5 ghost catfish
  • 2 black mollys
  • 1 pleco
  • 1 betta
  • 2 bala sharks

From what I've learned so far, all of these fish seem to be compatible. Are they? And also, is this too many fish for a 29 gallon tank?
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post #2 of 11 Old 03-21-2009, 12:59 AM
Balas get 16" long and need to be in groups of 5+. Basically means you need a 200G+ tank for adults.

Ghost Cats do best in soft, acidic water while mollies do best in hard, alkaline water. But both should be fine in a neutral pH/water hardness.
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post #3 of 11 Old 03-21-2009, 10:32 AM
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Betta SHOULD be fine, but with bettas, it's always a gamble to put them in a community tank. Some will mind their own business, some won't. I had a betta with cory cats and even though they usually get along fine, I had to separate them because the betta was too feisty and it stressed the cories. Just be prepared with a backup plan in case it doesn't work out!
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post #4 of 11 Old 03-21-2009, 11:33 AM
I think 5 of any cat is too many. It requires alot of food to be sank to the bottom.That messes your tank up.
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post #5 of 11 Old 03-21-2009, 12:36 PM
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But some cats are a lot happier in groups of 4-6. Gotta take that in consideration too
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post #6 of 11 Old 03-21-2009, 12:46 PM Thread Starter
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Thanks for the help everyone! Is there no easy way to make sure all of my cats get enough food? It does seem like my danios will be eating all of the food before it has a chance to sink.
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post #7 of 11 Old 03-21-2009, 02:09 PM
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Well your going to need to buy a different food your catfish, a sinking pellet or somiliar. A 29g tank will not be suitable for 2 Balas as they do like to be in schools of 5 and will need a tank of 150 gallons or so at full length.

55 Gallon

-10x Zebra Danio
-3x Angelfish
-5x Velvet Red Swordtail
-3x Albino Cory Cat
-3x Clown Loach
-3x Black Mollie
-1x Red Tailed Shark
-1x General Pleco
-1x Snail

10 Gallon


37 Gallon (Wanted)

Not Sure

150 Gallon (Wanted)

-5x Bala Shark
-2x Neon Blue Goarami
-5x Clown Loach
-1x Black Knife Ghost
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post #8 of 11 Old 03-21-2009, 04:58 PM
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I usually give 1 sinking pellet per fish, some people give more but I personally found out they rarely ate more than one and the rest rots on the bottom. You'll see if they need more!
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post #9 of 11 Old 03-21-2009, 06:04 PM
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What sort of pleco are you interested in? Most will grow way to big for a 29 gallon, but you could get away with an ancistrus sp3 (bristlenose pleco) which stay pretty small. Just be sure not to get a common pleco as they grow huge!!

ʎɐqǝ uo pɹɐoqʎǝʞ ɐ ʎnq ı ǝɯıʇ ʇsɐן ǝɥʇ sı sıɥʇ
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post #10 of 11 Old 03-21-2009, 06:26 PM
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If you took the bala sharks off the list as well as the pleco, you have a good list started. I would actually suggest to add 1 or 2 more ghost catfish as they are schooling fish and 5 is the minimum you need to not have them be stressed out. You will be able to feed them normal flake food, not sinking pellets. Also, you will need to make sure that you have a good amount of hiding spots(or possible a large cave that you can still view) for when your tank light is on. They really do not like constant bright light on them.

Instead of a pleco, I would recommend either a group of 5-6 cory catfish, or a trio of smaller botia loaches. I have three burmese border loaches(angelicus botia) in my 30gal, and they have to be the most active fun to watch fish I have!

My wife rolls her eyes when I talk about getting another tank
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