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Old 02-18-2020, 04:04 AM   #1
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Fish for 20 Gal

I recently set up a new 20 gal tank! I have about 4 neon tetras and 2 corydora so far. The tank is already cycled and ready for some new fish! Id love to get a semi-aggressive fish, but Im unsure if theyll get along with my neons. What are some tank mate combos youd suggest? Id rather stay away from mollies and guppies due to already having 2 tanks set up for them already.

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Old 02-18-2020, 06:26 AM   #2
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You should bump both schools to 6 first. I've successfully kept female bettas in community tanks. A dwarf gourami would work.
You might be able to get away with a school of skirt tetras. Black or white they are the same species and will still school together.

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Old 02-18-2020, 12:06 PM   #3
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The glo tetras will school with them too if you want some color variety without sacrificing schooling needs.

Ive also kept male bettas in communities and it usually works well as long as there are no fin nippers. (IE betta or gourami OR skirt tetras not both/all). Some male bettas are, reportedly, anti tankmates of any variety but Ive personally never experienced that.
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