Yes, Alicia has the right of it. I would suspect the field tags were goofed on that particular specimen since Cal Academy has around 5 specimens labeled correctly, where as photos in the Berkeley database come from a wide variety of sources (likely a mislabeled sample in a museums back room).
These guys are absolutely amazing to watch cruising around in the evenings. We call the male 'pig' because he likes to sit curled in the food dish while he eats....
