Cover image

Cover Illustration: Image of two juveniles of the Hawaiian bobtail squid Euprymna scolopes (top, ~1.5 mm in length) and an adult individual (lower panel, ~4 cm in length). The ink sac and funnel tube are visible on the posterior side (right) of the recently hatched animals. The larger fourth arm pair is a tentacle specialized for prey capture. (Image courtesy of Patricia Lee.) For more information on the embryonic development of squid embryos, see The Hawaiian Bobtail Squid (Euprymna scolopes): A Model to Study the Molecular Basis of Eukaryote-Prokaryote Mutualism and the Development and Evolution of Morphological Novelties in Cephalopods (doi:10.1101/pdb.emo135).