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Jellyfish
 

Jellyfish

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    Jellyfish Jellyfish Presentation Transcript

    • Fried Egg Jellyfish BY: JOE CHANDLER
    • Phacellophora camtschatica My species of jellyfish is known as the egg yolk jellyfish. They can be found in the Pacific Ocean between the Gulf of Alaska and Chile. It’s tentacles are between 10 and 20 feet long when full grown. They mostly eat other jellyfish and plankton.
    • Egg Yolk Jellyfish Classification  This is its classification of my organism.  Kingdom: Animalia (animals)  Phylum: Cnidaria (cnidarians)  Subphylum: Medusozoa (medusa) Class: Scyphozoa (jellyfish with a certain cap shape and size)  Order: Semaeostomeae (jellyfish with oral arms)  Family: Phacellophoridae  Genus: Phacellophora  Species: P. camtschatica (egg yolk jellyfish)
    • Response An adaption that the fried egg jellyfish has made is that it can sting its prey. The fried egg jellyfish doesn’t have a very powerful sting so most prey is killed by a combination of being stung and getting tangled in the thick tentacles then being eaten.
    • Fried Egg Jellyfish Most jellyfish have two stages in life. The first is spent as a sessile polyp. The second is spent as a medusa or jellyfish. This occurs when the sessile polyp pinches off the medusa. (Budding)
    • Reproduction As in many jellyfish, the egg yolk jelly reproduces with male and female medusa. The male carry sperm and release it into the ocean. The females carry their egg either in their mouth or stomach.
    • Reproduction and Growth If the sperm and egg come in contact the egg is fertilized and the mommy carries the egg in brooding pouches on her oral arms. Eventually thee egg is released and finds a hard surface to latch onto and grows into a polyp.
    • Organization The egg yolk jellyfish is organized by its oral arms and tentacles. They are set up in a way that if an animal swims into it’s tentacles, it will get trapped and be eaten.
    • Contrast Compared to other jellies, the egg yolk jellyfish has a very mild sting. Also the yellow tissue inside the cap is not seen often in other jellyfish. The yellow “yolk” is gonad tissue used for reproduction. It also has pretty long tentacles compared to other species.
    • Comparison Some things it has in common with other jellyfish is that it starts out as a polyp and then buds off. Also it stings its prey when capturing it like other jellyfish. Lastly like many other jellyfish, the egg yolk eats other jellyfish and plankton.