Semi-Agressive Nano Fish - The Planted Tank Forum
 
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post #1 of 8 (permalink) Old 08-07-2014, 12:57 PM Thread Starter
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Semi-Agressive Nano Fish

Other than the dwarf puffers what fish would be considered Semi-aggressive and suitable for a Nano Tank?
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post #2 of 8 (permalink) Old 08-07-2014, 01:10 PM
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Pygmy sunfish might be an option. I have been doing research on them for my own tank and I have read they don't live very long so one will require to have male and female for upkeep in numbers. What size of nano are you thinking?
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post #3 of 8 (permalink) Old 08-07-2014, 06:36 PM
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Dario/ Badis, Fresh water Gobys and related fish (most are high water flow fish)

How big a tank?
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post #4 of 8 (permalink) Old 08-08-2014, 04:25 AM Thread Starter
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I'm actually thinking about stocking my 125 gallon tank with a large variety of fish which stay small. No larger than 1.5"
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post #5 of 8 (permalink) Old 08-08-2014, 05:10 AM
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Tiger barbs are semi- aggressive. Prefer the slightly acidic pH of a planted tank. Although they are about 3-4inches in the wild they are much smaller in the aquarium. Most small fish aren't aggressive. Just like humans, you don't see too many 120lb guys picking on picking on others.

The fastest way to success is patience.

Best,

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post #6 of 8 (permalink) Old 08-08-2014, 06:02 AM
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Betta. If you're going at least 10 gallons you could do exodon tetras - they school and eat just like piranhas. Or a true leaf fish, Monocirrhus polyacanthus. You can have those in pretty small tanks, they are very happy to stay perfectly still all day long. Downside is they only eat other fish and they stay perfectly still all day long. Knight gobies will eat whatever fist in their mouth... some would consider that aggressive.
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post #7 of 8 (permalink) Old 08-08-2014, 06:10 AM
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Quote:
Originally Posted by ReluctantHippy View Post
Betta. If you're going at least 10 gallons you could do exodon tetras - they school and eat just like piranhas. Or a true leaf fish, Monocirrhus polyacanthus. You can have those in pretty small tanks, they are very happy to stay perfectly still all day long. Downside is they only eat other fish and they stay perfectly still all day long. Knight gobies will eat whatever fist in their mouth... some would consider that aggressive.
His tank is a 125g LOL. Didn't catch that till halfway through the posts.

The fastest way to success is patience.

Best,

Joe
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post #8 of 8 (permalink) Old 08-08-2014, 06:52 AM
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Killifish!

Pretty much any type works. My favorites are Fundulopanchax mamfensis basua which is pretty blue with red speckles. If you want to do a species tank with salt, go for any of the Nothobranchius. They're so small and cute and the most vibrant fish I've ever seen. Plus it is fun to collect and hatch eggs. With Fundulopanchax, they'll lay eggs that may hatch and grow in the tank -- I have 2 large fry that have done that and countless tiny fry. So much more fun than guppies.

I'd consider them aggressive because Fundulopanchax will attack each other / other fish -- especially the males. They're super hardy though, just keep one male in your tank.
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