The western honey bee communicates through dance. The dancers' Hivemates sometimes butt their heads against the dancer and produce a little "stop signal" buzz to tell her the advertised location was a bad one when they disagree.

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Western Honey Bee

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Sunset at Senja

Lives exclusively on the black coral whip, usually in pairs. I found only one, but they are very well camouflaged and small, so perhaps a second companion was around somewhere. You may wonder why the whip is called black coral when it's bright green, and the reason is due to its black inner skeleton. The outer flesh varies in color and P. Unciger shrimps adapt by changing their own skin to match the coral's color.