Peter's DVD rating:  |
|---|
| 594.58 DEV The little trick of rewarding a cuttlefish to "write" an X on its back is not "Pavlovian" conditioning, as Bill Gilly says, but operant conditioning. |
National Geographic - Devils of the Deep (2008) | Index |
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| 5:20 | Humboldt Squid (Red Devil) flashes red and white (Gulf of California) | 7:30 | Octopus captures shark with tentacles and venom, shreds with beak | 12:00 | Red Devil harvested for food (Santa Rosalia, Mexico) |
| 18:30 | Red Devils cannibalize each other | 25:00 | Cuttlefish conditioned to write "X" on their backs | 26:30 | Cuttlefish can also change texture and shape for camouflage |
| 26:40 | Mimic Octopus | 26:50 | Common Octopus | 26:55 | Common Octopus camouflaged as coral |
| 27:20 | Chromatophores expand and contract | 27:50 | Male Reef Squid shows dark side to female, light side to other males | 29:45 | Two Red Devils flash out of phase |
| 33:00 | Small sneaker male cuttlefish impersonates a female | 36:00 | Red Devil has large retina | 36:30 | Can see polarized light |
| 38:00 | Red Devils have travleed to Guaymas on mainland Mexico |
 5:20 Humboldt Squid (Red Devil) |
 7:30 Octopus captures shark |
 12:00 Red Devil harvested for food |
 18:30 Red Devils cannibalize each other |
 25:00 Cuttlefish conditioned to write "X" on their backs |
 26:30 Cuttlefish can also change texture and shape for camouflage |
 26:40 Mimic Octopus |
 26:50 Common Octopus |
 26:55 Common Octopus camouflaged as coral |
 27:20 Chromatophores |
 27:50 Reef Squid |
 29:45 Two Red Devils flash out of phase |
 33:00 Small sneaker male cuttlefish impersonates a female |
 36:00 Red Devil has large retina |
 36:30 Can see polarized light |
| Index | Mar 22, 2010 |  Peter Chen |