verdifficult.e repr: we met brett grassee of the marine biological laboratory in woods hole, massachusettsis beautiful. >> yeah. pretty good day in the offi huh? >> reporter: he's responsible for the care and feeding of the lab's octopuses and comes here to stack up on their favorite ,. >> so kind of poke and move along? >> exactly. >> we've got some jumping around in there. >> next stop the beach for another octopus delicacy, crabs. >> three, two, one. >> whoa. look at them all. >> there you go. just grab and scoop. >> back at the lab the day was about to get a lot better for a small california two-spot octopus and a lot worse for one of those crabs. >> this is going to be quick. >> bon appetit. >> so don't blink. >> reporter: of all the octopus's oddities perhaps the most extraordinary is its talent for disguise. watch that the octopus changes its shape, colors, patterns, even the texture of its skin to look like seaweed and does it in the blink of an eye. it's called dynamic camouflage. >> i would argue that dynamic camouflage is a forid was shot by roger hanlon, senior scientist and a