Oh ok probably just defensive strikes no teeth. My boy doesn't like his cage being messed either he gets pissy. But I don't allow that anymore if they show attitude and then you hurry up and clean then walk a way it just makes them more empowered next time you show up, getting pissy means you hurry up and leave that's what they want. So even if changing water I ball him up set him aside change the water and put him back. Once you get them upset it's harder to calm them down and keep it from happening again. They should never be striking, if so I think you need to practice handling skills a little more, slow down take your time. Figure out why or how your pushing her buttons and try not to do it again.
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