A 40 gallon breeder 36” x 18” is the minimum tank size for an adult male. If your enclosure is smaller you need to upgrade. Thankfully there are affordable options and if you need recommendations just ask As for dealing with the defensive behavior, let him settle in first. If you just got him leave him alone for 3 weeks and/or 3+ meals. Then buy leather gloves (to help with confidence, bp bite isn’t bad) and work with him. In a few weeks he’ll get used to you and stop striking.


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