The answer would be "depends".
grow to about 6-7" total length.
There are "dwarf" corys that are just over an inch in length
for example, and I don't think they would be good companions for fully-grown pictus.
Maybe it would work. I have a few fairly small
in my big tank, together with a group of 5 P. pictus, and they have been there since they were less than an inch long [they escpaded through a hole in the breeding net - and there's no way I can catch 3/4-1" bristlenose babies in 400 liter (100g+) tank without removing every decoration and plant in there... So I let them stay...] They are still there...
However, larger corys are fine, as long as they are introduced when they are "big enough".
I think catfish are more likely to be OK staying with the P. pictus than for instance small tetra's, because the tetra's are diurnal (day-active), whilst most catfish, including P. pictus are nocturnal (night-active). The tetras tend to "disappear" during the night when the pictus sneaks up on them whilst they are asleep and just "gulp" them down before they even wake up... Fish that are active at the same time as the pictus shouldn't suffer from this problem, and that's probably what saved the bristlenoses in my tank.
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Mats
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. I will try it first with a few of my adult bronze corys and see what happens. If it turns out well i'll probably add in some sterbai. 