do otos and corys need a filter? - Betta Fish and Betta Fish Care
 
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post #1 of 3 (permalink) Old 06-17-2010, 12:21 AM Thread Starter
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do otos and corys need a filter?

i have a 2.5 gallon and was thinking of adding either a small cory or a small oto (whichever u can keep just one of). i have a heater but no filter. is this possible?????
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post #2 of 3 (permalink) Old 06-17-2010, 03:16 AM
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Originally Posted by dpints View Post
i have a 2.5 gallon and was thinking of adding either a small cory or a small oto (whichever u can keep just one of). i have a heater but no filter. is this possible?????

Would advise against adding any more fish.Two and a half gallons is just barely acceptable for one betta.
All tropical fishes should be in filtered tank, any book written on tropical fishes will state as much.
Not trying to be mean, but adding more fish would be near certain death sentence for the fishes you mention.
Save up some money and get a twenty or thirty gallon. This will give you way more options and the fish will thank you.

The most important medication in your fish medicine cabinet is.. Clean water.
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post #3 of 3 (permalink) Old 06-17-2010, 09:45 AM
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In addition to a 2.5g pretty much being suitable for only one betta, corys and otos like to live in groups of 3-4 or more. A suitable tank size for a betta and 3-4 otos or corys at the very least would be 10g. Plus, a 2.5g costs around the same price as a 10g in some stores, so you would get a better deal :) or you could just enjoy your lovely betta in his own 2.5g. he won't suffer without any companions :)

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1 Doberman Mix: Emmy, 2 DSH Cats: Rowan & Jacob, 1 Bearded Dragon: Rainier (aka Mista Lizad Man), 1 Eastern Box Turtle: Greta, Two 5g tanks: Alchemy (Halfmoon) and Custard (Yellow VT)
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