Octopus laqueus during quiet sleep (IMAGE)
Caption
During quiet sleep, octopus laqueus appears white and motionless. This quiet sleep is punctuated by bursts of sleep that show wake-like activity (active sleep) roughly every hour.
Credit
Keishu Asada (OIST)
Usage Restrictions
Credit must be given to the creator. Only noncommercial uses of the work are permitted.
License
CC BY-NC