Sorry I'm new here, not sure how many times this has been asked... im just curious if any of you mix species and if so which? I keep GBR and surinams together with no problems that I can tell. I also have a smaller bin that I keep upstairs at my 'feeder deck' to be gutloaded and fed off over the next few weeks. I keep a mix of dubia, orangehead, ivoryhead, and any other non climbers in that.