The Japanese wild-derived mouse strain MSM/Ms (MSM) retains a wide range of traits related to behavioral wildness. including high levels of emotionality and avoidance of humans. In this study. we observed that MSM showed a markedly higher level of aggression than the standard laboratory strain C57BL/6J. https://www.roneverhart.com/Fender-Tone-Master-Twin-Reverb-Guitar-Amp-Blonde/