A beautiful Short-arm sand octopus (Amphioctopus arenicola)

This Ornate octopus (Octopus ornatus) was atypically patient in sitting for a portrait...

Yet another of our endemic cephalopods, this is the Hawaiian long-armed sand octopus (Octopus sp 1. undescribed), not to be confused with its short-armed cousin. These amazing little octopi are adept at flounder impressions, flattening their bodies and undulating along the bottom as seen here...