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Sand tiger shark embryos attack eachother in womb

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ghandikush

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Ovoviviparous shark pups depend on yolk for nutrition, and when an embryo has expended its own yolk sac, it turns to the eggs around it. Some species practice intrauterine cannibalism, or eating the other fertilized or unfertilized eggs in the womb.

The best-known intrauterine cannibal is the sand tiger shark. Although the sand tiger shark has two uteri and produces many eggs, each litter yields just two pups -- one from each uterus.

Sand Tiger Shark "intrauterine cannibalism"



Last edited 9/20/12 5:24PM server time by cowcatcher
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Post #1   9/20/12 5:21:25PM   

cowcatcher

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I've seen video of this before, and it's pretty difficult to watch. I actually had a chance to dive with a few of these in the water and as menacing as they looked, they were extremely docile, unlike the reef sharks which didn't freak me out nearly as much based on looks/size alone.

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Post #2   9/20/12 5:28:51PM   

Poor_Franklin

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o·vo·vi·vip·a·rous
[oh-voh-vahy-vip-er-uhs]
adjective Zoology .
producing eggs that are hatched within the body, so that the young are born alive but without placental attachment, as certain reptiles or fishes.

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Post #3   9/20/12 5:31:19PM   

cowcatcher

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Here's a vid of embryonic cannibalism.

Warning: It's not easy to fap to.

Yum Yum

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Post #4   9/20/12 5:57:58PM   

ghandikush

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Posted by cowcatcher

Here's a vid of embryonic cannibalism.

Warning: It's not easy to fap to.

Yum Yum





tasteless........ nah!

Post #5   9/20/12 6:03:36PM   

grappler0000

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I could really go for some Salisbury Steak right about now.

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Post #6   9/20/12 6:19:20PM   

infestructure

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Posted by cowcatcher

Here's a vid of embryonic cannibalism.

Warning: It's not easy to fap to.

Yum Yum



It's so cute!

Here's another vid of the embryo killing its siblings in the womb

Sharks are awesome, the most efficient predator and unchanged for millenia.

Post #7   9/20/12 6:44:35PM