I thank members of my lab, past and present, as well as other colleagues, who have contributed to
the work on inking mollusks and have influenced the ideas expressed in this review. I also
acknowledge the support of the National Science Foundation for our work on inking mollusks,
including our current grant, NSF IOS-1036742. I thank Manfred Schmidt for comments on a draft of
the manuscript and Shuichi Shigeno and Stavros Hadjisolomou for helpful discussions.