Even with its primitive structure, the North American comb jellyfish can sneak up on its prey with out it even noticing , making it a successful predator. The North American comb jellyfish's scientific name is Mnemiopsis leidyi. Like many other jellyfish, The North American comb jellyfish has a large gelatinous body. Researchers have used advanced video technology to study water flows around and within the comb jellyfish. The measurements were used to calculate the water deformation generated by the jellyfish and compare this with the levels that trigger an escape response in copepods.
I do not really have an opinion on this matter, however i do find it very interesting that it can catch prey without it even noticing its there.
http://www.biologynews.net/archives/2010/10/13/voracious_comb_jellyfish_invisible_to_prey.html
Josh Grix
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