Parchment Tube Worm by Day and by Night (IMAGE)

Experimental Biology

Parchment Tube Worm by Day and by Night

Caption

The photograph on the left shows the marine parchment tube worm (Chaetopterus sp.) under natural light. The worm is curled up, tucking its tail under its head. The image on the right shows the same worm but in the dark, capturing the blue light (bioluminescence) coming from the slime/mucus that is continuously produced by the worm when it feels threatened.

Credit

David Liittschwager

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