ok thxThat's not unusual behavior for a BN. Looks like he's enjoying a little cover and concealment. His fins are intact, no fin nipping going on. Likely not hiding to avoid aggression. Your BN will move if things get too warm.
ok r they hard to breedYea,
My bristlenoses do it all the time , nothing to worry about
Looks like a bristlenose? No way, they're one of the easiest fish to breed. Just a few steps below things like guppies, platies, etc.ok r they hard to breed
ok do the plecos eat the fryNot really,
good clean water, some caves and two to one female to male ratio and the odds are in your favor
Just depends if you will have any tank mates that will go for the eggs or fry
would silver dollars eat the eggs if well hidden in cavesNot really,
good clean water, some caves and two to one female to male ratio and the odds are in your favor
Just depends if you will have any tank mates that will go for the eggs or fry