high temp tolerant small shoaling fish? - The Planted Tank Forum
 
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post #1 of 4 (permalink) Old 07-03-2015, 10:19 AM Thread Starter
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high temp tolerant small shoaling fish?

I've been having some problems with temperature swings affecting my 2.5g and essentially cooking my fish(90-95F). The invertebrates seem to be alright but the fish are very intolerant. I thought about sm. neon tetras since they've been captive bred for decades now and I know them to be an extremely hardy fish but I thought I'd throw this out there in case someone had advice other than to buy an A/C unit.

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post #2 of 4 (permalink) Old 07-03-2015, 12:13 PM
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I dont have AC either. When I had t5HO lights the temp in my tank would also run really warm in the summer..but that was with a 110g. I had a little fan that I would point towards the water and get evaporative cooling to drop the temp a bit. However with 2.5 gallons you'd lose a lot of water pretty quick. Also I wouldnt use the ice cube method directly in that tank. I was wondering...could you sit that 2.5 gallon in a pan of cooler water. Maybe not packed with ice cubes but maybe just one or two? Id do it gradually starting with just cold water...see how that works, then add an ice cube. As far as heat tolerant fish, I used to keep cardinal tetras with discus. Discus like warmer water, so you may look up tank mates for discus. But with 2.5 gallon im not sure that would be appropriate for cardinal tetras either.
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post #3 of 4 (permalink) Old 07-03-2015, 03:45 PM
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Neon tetras are a temperate species regardless of being captive bred. You could look into some SE Asian species perhaps Boraras species like chili rasborasor or, exclamation point rasboras, also Microdevario kubotia, green neon. These are fish less than an inch long that prefer warm water.

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post #4 of 4 (permalink) Old 07-05-2015, 04:02 AM
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Quote:
Originally Posted by HDBenson View Post
Neon tetras are a temperate species regardless of being captive bred. You could look into some SE Asian species perhaps Boraras species like chili rasborasor or, exclamation point rasboras, also Microdevario kubotia, green neon. These are fish less than an inch long that prefer warm water.
+1 for the green neons. I've got a school of 9 in my edge(6gal) and they seem very happy. I do not run a heater at the moment due to the summer here in nyc and there is no need. they look very natural compared to neons or cardinals too. these are a wild caught species that i purchased from my LFS.
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