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