Individually Unique Body Color Patterns in Octopus (Wunderpus photogenicus) Allow for Photoidentification
Figure 1
Variable ring patterns on mantles of the blue-ringed octopus Hapalochlaena lunulata.
Note the small fleck of blue in the ring indicated in panel A, which is missing from the corresponding ring in panel B. The individual in panel C bears disproportionally small rings near the head, as well as merged rings left side. All photographs by Roy Caldwell.