From the video, “It’s known as penis fencing, and the worms are the swordsmen”
Potentially NSFW if having the word the penis said a dozen times over your computer speakers will cause issues.
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Sex For Flatworms is Both Love and War Adaptations, Biodiversity, Mating & Reproduction  dagger, fencing, flatworm, love, mate, Mating, NSFW, Penis, Reproduction, sex, sperm, sword, war, worm 3 comments to Sex For Flatworms is Both Love and War |
 Dispersants! Part III: Do dispersants really promote degradation of oil? #blacktide RT @deepseanews: http://is.gd/ePeV95 minutes ago from web  RT @edyong209: RT @oystersgarter: Excellent post on primate cultures of sexism from @ericmjohnson. http://bit.ly/dwq3Hx #anth1432 hours ago from Seesmic twhirl  RT @kzelnio: Tell the truth about safety of Gulf of Mexico Seafood http://t.co/xAUQQm5 #DSN2 hours ago from Tweet Button  Excellent post on primate cultures of sexism from @ericmjohnson. http://bit.ly/dwq3Hx Fine antidote 2 evol psych bingo! http://bit.ly/9lBcKS2 hours ago from TweetDeck RT @kzelnio: FUCKRT @stevesilberman: Drill, baby, drill: Another oil rig just exploded in the Gulf. http://bit.ly/cWFXib #DSN2 hours ago from Seesmic Desktop |
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This is the clip from the Shape of Life bit on flatworms…Too bad that DVD set is out of print now. Its one of the most awesome things on invertebrates ever made…
[...] indeed! The post contained a video of penis fencing in flatworms. That is the actual scientific term for the act and it is an interesting behavior. The video, [...]
[...] Hat tip to Deep Sea News. [...]