Creative Commons Licence
Imaging technique: 

A fully mature male Sepia officinalis in an Intense Zebra display. This body pattern is displayed by males to adjacent cuttlefish that approach during mating. It is more often shown by one male to another. A submissive female is visible in the background in upper left of photo. It is her presence that is eliciting this behavior from the male who is guarding her from the approaches of other males.

Maturity: Adult; Sex: Male, female; Lab or Wild: Lab; Origin: E. atlantic, u.k. or france

John Forsythe
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith