The adult Hawaiian bobtail squid (<i>Euprymna scolopes</i>) with inset scale.
Margaret McFall-Ngai
CC BY 4.0
<a rel="nofollow" class="external text" href="http://www.plosbiology.org/article/info%3Adoi%2F10.1371%2Fjournal.pbio.1001783">Divining the Essence of Symbiosis: Insights from the Squid-Vibrio Model</a>