7:00 | Abraham Trembley observed
Hydra feeding |
10:10 | Cnidarians invented mouth, stomach,
movement of hairs 500 MYA |
11:40 | 2 sets of muscles and nerves allow
bending |
13:30 |
Sea Anemone captures goby with nematocysts (Big Sur, California) |
17:55 |
Anemones battle for territory |
21:00 |
Coral polyps form vast colonies, build reefs,
spawn |
24:20 |
Stomphia is a sea anemone |
24:30 |
Stomphia swims away from sea star
Dermasterias triggered by
nerve impulses |
31:10 | Jellyfish eaten by
sea turtle |
33:40 |
Moon Jelly polyps produce ephyra (juvenile jellyfish). |
16:00 |
Moon Jelly adults form massive swarms when spawning. |
36:30 |
Moon Jelly females ingest thread-like sperm of males |
38:00 |
Moon Jelly swimming motion creates current for feeding (Greenwich Cove, Rhode island) |
44:30 |
Praya is a medusa |
44:40 |
Praya also has stalk-like polyp and trailing tentacles up to 120 feet |
45:30 |
Colobonema |
45:40 |
Colobonema can detach tentacles as a defense |
49:30 |
new species of jellyfish has massive arms, below 3,000 fett (research vessel Western Flyer, Monterey, California) |