I have had very horrible luck with this fish. My first one was about 6" or so and my juvi albino channel catfish ate him. That catfish is recently removed so I thought I would give it another go. I went to my LFS and boom they had one that was about 3". I swooped that little bugger up and took him home. I put him in the 40b that houses 2 2-2.5" EBJD a 4" gold jack a bn pleco and black ruby barbs. 3 hours later I noticed that the EBJD were attacking him. Sadly I caught it a little to late as they had already took a large chunk out of him. I have a buddy that is going to grow one out for me until it can be put in one of my tanks. What size do you think is safe?