Do you just have the one Mike? I've got another (.75 inch) one in a grow out tank with a delhezi. Someone once told me they prefer to be in pairs or greater because they are so shy but my big male has never been anything but bold. I'm interested to see how the dynamic changes when I introduce the other fish during my next upgrade.
Ive kept lots of them, they hat pairs. My breeding pair fought all the time.
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Do you think that having a greater # would reduce aggression? Were they only aggressive during breeding? I was planning on having 3 in my 75g since I'd never heard anything about aggression problems. Do you think having different (but similarly sized) species of ctenos would be as much of a problem? I could still return the small one since I just got it. And hey, that might free up some bioload for another cat or bichir...
#of what? If you're wondering about their aggression on mating, they wont even bother to make an issue with another fish unless it's a snack-able bite-size fish for em, as bubble nest breeders so most of the times they'll just scatter eggs around the tank, they don't participate in parental care, and in the hobby it's kinda rare to have em breed.
I meant greater # of ctenopomas E.C. since Archers said they hate pairs. I thought having more than a pair might spread out the aggression.