Ocean sunfish and sea turtles (such as Leatherback Turtles) are predators of jellyfish.
http://wiki.answers.com/Q/What_are_the_natural_predator...
The primary predators of jellyfish, however, are sea turtles, ocean sunfish, and blue rockfish. Humans are also known to eat them; in Asian countries jellyfish are considered a delicacy when prepared salted and dried. ... Back to Reef Briefs Main page...
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Jellyfish - Wikipedia, the free encyclopedia
Jellyfish (also known as jellies or sea jellies ) are free-swimming members of the phylum Cnidaria. Jellyfish have several different morphologies that represent several different cnidarian classe...
en.wikipedia.org/wiki/Jellyfish
Cannonball Jellyfish - Wikipedia, the free encyclopedia
The Cannonball Jellyfish ( Stomolophus meleagris ) is a species of jellyfish in the family Stomolophidae. Its common name derives from its similarity to a cannonball in shape and size. Its dome-sh...
en.wikipedia.org/wiki/Cannonball_Jellyfish
Ceriodaphnia, the main prey item of Craspedacusta sowerbyi in Lake Kainui, ... Although they are active predators, with a possible preference for specific prey, it seems unlikely that this jellyfish is a threat to the freshwater fauna of New Zealand. However, its influence on the feeding behaviour and food availability for...
www.niwa.co.nz/news-and-publications/publications/all/w... www.niwa.co.nz/news-and-publications/publications/all/wa/10-2/alien
But they have found the only known corals to eat adult jellyfish, a new study says. Opening wide--yes, that's a mouth--a mushroom coral ingests a roughly 4-and-a-half-inch-wide (12-centimeter) moon jellyfish (pictured) in the Red Sea in March 2009. And this coral wasn't alone.
news.nationalgeographic.com/news/2009/11/photogalleries... news.nationalgeographic.com/news/2009/11/photogalleries/coral-eats-jellyfish-first-pictures/index.html
Learn about jellyfish, jellyfish safety, jellyfish pets and jellyfish predators at JellyfishFacts.net ... One of the reasons that jellyfish can be as prolific as they are is the distinct lack of predators. Jellyfish are equipped with a very sophisticated system of self preservation. They have long extending tentacles,
www.jellyfishfacts.net/jellyfish-predators.html www.jellyfishfacts.net/jellyfish-predators.html
BIRDS AND THE BEES; Do jellyfish have any predators? ... A recent television documentary showed jellyfish being eaten by various predators including the hawksbill turtle (immune to the poison), a variety of sea slug (which commandeers the stinging cells to use for its own defence) and even other jellyfish.
www.guardian.co.uk/notesandqueries/query/0,5753,-4150,0... www.guardian.co.uk/notesandqueries/query/0,5753,-4150,00.html
Re: What are the main predators of jellyfish? Date: Tue Jan 5 14:31:27 1999; Posted By: Bruce Lobitz, M.D., Emergency Physician; Area of science: Zoology; ID: 911349493.Zo ... Sea turtles and ocean sunfish like to eat jellyfish.
www.madsci.org/posts/archives/jan99/916060981.Zo.r.html
Subject: What are the main predators of jellyfish? ... Date: Tue Nov 17 18:38:13 1998; Posted by Deborah Lubega; Grade level: 7-9; School: Oakwood elementry; City: Huntsville State/Province: Alabama; Country: USA; Area of science: Zoology; ID: 911349493.Zo ... You know... What kind of organism would hunt and eat a jellyfish?
www.madsci.org/posts/archives/jan99/916060981.Zo.q.html