Thoughts on threadfin acara and geophagus with cardinal tetra?

[fishdat]

I'm assuming some predation, but do you think it would be a bloodbath or just occasional snacks?

 

[tlindsey]

I'm assuming some predation, but do you think it would be a bloodbath or just occasional snacks?

Personally wouldn't try it. I think the Threadfin will eventually eat a few.

 

[tlindsey]

Personally wouldn't try it. I think the Threadfin will eventually eat a few.

It may work if aquarium is large enough.

 

[fishdat]

It may work if aquarium is large enough.

It's only a 6 foot 90 gallon, so fairly small.

 

[Reiner]

Would only try with high bodied tetras. My 6" Threadfin can easily eat whole massivore pellets. The diameter of those is for sure bigger then a cardinal tetras body. Big fish eat little fish. I couldn't even keep cardinals with angel fish

 

[duanes]

I never found mine to be piscivores, although I never kept them with anything as small as cardinals.
I was warned before I got mine, that as adults they would need over 200 gallons, and if not given that kind of space they get rather nasty, with each other, and other Geophagines.
I poo-pood this thinking my 6 ft 150 gal would be sufficient.
As it turned out at about 7", i was wrong and those who warned me my tank was too small, were right..
At maturity, the largest of about half dozen, subtly stressed the other more subordinate Acarichthys to death.