You have a very well tied together collection already as all these fish are native S. American fish belonging to the same family. There is no need to have a "showcase" fish to this collection as 1 large fish is more apt to cause chaos than peace amongst these smaller fish. Having the assortment of suitable fish , even tho same sized fish, is a showcase in itself.
Since you have primarily Tetras, why not continue with more types of unique looking but suitable Tetras? I've always been partial to Golds, Penguins, Bloodfins and Phantom Tetras. You could also get some pencilfish or hatchetfish as these too have a more unique shape or personality and would go well with your small specie Tetras as will look sharp in a school so their being small fish won;t be an issue when the school presents a larger presence. You will cut down on potential aggression with this mix as well as larger species of Tetras can be or become very aggressive.
These are living animals and the expression " tie every thing together" is a little unsettling to me.
Hope this helps
I keep my angels with neons- quite large. Since they're regularly well fed, they don't bother the neons at all really. It has a lot to do with the temperament of the Angels you get as well! I lucked out with mine
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I've personally had both success and failure with this mix. I know there is no absolute answer to this question and so should everyone else reading this. As you stated, You got lucky. Maybe the next person won't.
That IS an impressive streak you have going so congrats to thatI think it's definitely got something to do with temperament- but has lots to do with what age the angel is when to get it - if they grow up in a certain atmosphere with these fish, chances are they'll be fine. Also you have to keep them happy! Plenty of hiding spots and tall plants (fake ok, but live is great!) ...and of course keep them well fed. I've never had an angel eat a smaller fish in 10 years!
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but I can tell you, it does happen and happens as frequently as it doesn't. I have 40 extra years experience with keeping angels and have raised literally over 1 million of them. It's a crap shoot and that's all I was trying to bring out. Let's just leave it at that.
I have 2 hugh angles and I added a group of neons not to long ago. The tank is well planted. I made sure the were bigger neons. They're doing great together. I once long ago took in some bleeding heart tetras and those darned things started eating the neons.
The lighting is poor but the fish are easy to pick out. )
