Largest possible Neon Tetra tankmate

Pearl Gourami are very peaceful fish, but they do best in a planted tank & preferably with floating plants. Silk plants may work.

Perhaps Moonlight Gourami? This site says they can get up to 5".

Someone (Jaysen something?) here had a Fei Feng in a big planted community tank, I think his smallest fish were Harleys or mollies. Pretty fish, he hand fed it all the time. Not sure it was doing much to his plants.
 
Large tankmates for neon tetras

hmmmm...... 155 gal. tank - lots of room.
If you want to give this a whirl - try adding a few 3"-4" juvenile discus.
As you know - they're gorgeous fish - many fantastic color strains available - if you feel up to the challege ! They're really not hard to keep if you follow a few simple 'rules'.
I have a discus tank (6 fish -up to 4.5") with neons, rummy-noses, & corrys' - great combination & everybody gets along fabulously - the neons & rummies shouldn't be too small though - no babies - 1" fish ok - discus won't even pay attention to them - in fact they enjoy them as 'dither' fish, and the color & size contrast is great.
My neons sometimes can out-compete the discus @ feeding time, believe it.
My .02 cents.
 
Currently the Keyhole Cichlid is in the lead, assuming I can find one of a reasonable size locally.

Discus sound perfect if not for that whole, ridiculously difficult and expensive to keep and maintain, with requirements that will hurt all the other fish thing.

What about geophagus, I haven't heard anything about them eating fish regularly?
 
Discus need very warm water, can be a problem for other fish.

Geophagus are regarded as peaceful, but only compared to other foot long cichlids anyway. I have a feeling that they would quietly eat any small tankmate that happened to fit in their mouth, then act all innocent afterwards.

I guess the good thing is that you are not limited to one or 2 medium size fish in that size tank. You could get a pair of keyholes, a gourami and a handful of rainbow fish and the tank still wont be even close to crowded.

Ian
 
Though it wouldnt fit in your tank, one of the coolest things I've seen in with neons is a full grown silver arowana!!! According to the owner it didnt eat any of the neons cuz they were too small to make it worth its while. There are pics somewhere on mfk.

What about apistos or rams?
 
How about if I bump it up a nothc and forget about the neons. What is the largest possible tankmate I could have with rummynose (other then Discus).
 
How about if I bump it up a nothc and forget about the neons. What is the largest possible tankmate I could have with rummynose (other then Discus).

Those incompatible with neons are generally going to be incompatible with the rummynose, so you're pretty much stuck with the same options.

Though it wouldnt fit in your tank, one of the coolest things I've seen in with neons is a full grown silver arowana!!! According to the owner it didnt eat any of the neons cuz they were too small to make it worth its while. There are pics somewhere on mfk.
Lol. Yeah I know who you're talking about, and that's just kind of a risky proposition in general. Silver arowana vary drastically in what they'll consume, and I do think most would go after neons and pick them off one by one. I know mine would have, and they're fast enough to do so. Plus they have a habit of being fine one day and then another day deciding "Mmmm, those look tasty".
 
Well I was hoping that the little bit of extra size that a rummynose has would give it a better chance with small cichlids like keyholes and rainbows.
 
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