Wednesday, February 16, 2011

Jellyfish or Medusa

Jellyfish - captured in the waters of Cape Canaveral, Florida



Jellyfish (also known as jellies or sea jellies or Medusozoa)

are free-swimming members of the phylum Cnidaria. Jellyfish have several different morphologies that represent several different cnidarian classes including the Scyphozoa (over 200 species), Staurozoa (about 50 species), Cubozoa (about 20 species), and Hydrozoa (about 1000–1500 species that make jellyfish and many more that do not). Medusa is another word for jellyfish, and refers specifically to adult jellyfish.
Jellyfish are found in every ocean, from the surface to the deep sea. Some hydrozoan jellyfish, or hydromedusae, are also found in fresh water; freshwater species are less than an inch (25 mm) in diameter, are colorless and do not sting. Many of the best-known jellyfish, such as Aurelia, are scyphomedusae. These are the large, often colorful, jellyfish that are common in coastal zones worldwide.
In its broadest sense, the term jellyfish also generally refers to members of the phylum Ctenophora. Although not closely related to cnidarian jellyfish, ctenophores are also free-swimming planktonic carnivores, are generally transparent or translucent, and exist in shallow to deep portions of all the world's oceans.
Alternative names for groups of jellyfish are scyphomedusae, stauromedusae, cubomedusae, and hydromedusae. These may relate to an entire order or class.



Hi my friends,
I hope you had all a nice Valentines Day! Thank you for all the wonderful comments here on my blog and also on my facebook site. I do appreciate it.
Today I have a picture about some Jellyfishes I have captured out at Jetty Park. That was also for me the first time I have seen these pretty creatures swimming at the surface of the waters out there, beside some turtles, Manatees and Dolphins.

I'm happy to see you coming back to my blog today!

~Susanne





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6 comments:

The Retired One said...

How cool is THAT? And just LOOK at that turquoise water! I miss it already and we just were there. Thank goodness my daughter is getting married in April and we can go back for a few short days before we get summer here. ha

Susanne49 said...

Thank you so much, gladly appreciated! Maybe we will make it to see us???????????????????? Let me know...

nothingprofound said...

Although I grew up five minutes from the ocean in NY, the only time I saw jellyfish was in Florida. Maybe the water up north is too cold. They're formidable little creatures as I recall, and can cause quite a sting if you accidentally step on one.

Susanne49 said...

I heard about too that they can sting you very badly, but luckily I have never experienced that. Thanks for the comment, Marty! ;)

Carole said...

nice image. the colour of the water looks so loevly

Susanne49 said...

Hi Carol,

very nice to see you visiting my blog and thank you very much for your kind comment(s). I do appreciate them!

I hope is everything fine with you too! :)

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