An octopus slithers into a narrow crack near the shore; we see its eye up close; blowing water propels it through water. It feeds on a crab. In spring it's time to mate. A male grabs a femal... Read allAn octopus slithers into a narrow crack near the shore; we see its eye up close; blowing water propels it through water. It feeds on a crab. In spring it's time to mate. A male grabs a female; he inserts his third arm in her respiratory cavity. We watch another pair: a larger fem... Read allAn octopus slithers into a narrow crack near the shore; we see its eye up close; blowing water propels it through water. It feeds on a crab. In spring it's time to mate. A male grabs a female; he inserts his third arm in her respiratory cavity. We watch another pair: a larger female is the aggressor here. Mating is repeated over hours and days. With high magnification... Read all