This jellyfish comes from the Bay of Acapulco, Guerrero, apparently, has a second floor above where many structures appear.
Thanks for your answers, I added four more images. The margin umbrelar has many sensory organs, including the tentacles; Jellyfish have no traces of a handle, gastrovascular cavity or mouth, instead there is an octagonal structure with many kinds of ornaments, so it could be a huge octagonal mouth.
I am sure it is a hydromedusa. I don't know if you have more specimens because it has not the manubrium.
Where was collected? In a estuary or at sea?
I have attached a work of hydrozoa in the Mediterranean Sea with a key for identification of hydromedusa. Some of the groups have wordwide distribution, so it can be useful for you.
Good luck
It seems to be a Leptomedusae, but you need more samples and to take pictures from other angles.
Thanks for your answers, I added four more images. The margin umbrelar has many sensory organs, including the tentacles; Jellyfish have no traces of a handle, gastrovascular cavity or mouth, instead there is an octagonal structure with many kinds of ornaments, so it could be a huge octagonal mouth. The Leptomedusae was collected in sea water with oceanic influence.
I agree with Francisco Alvarez.
I recommend you to contact Laura Celis [email protected],
http://www.icmyl.unam.mx/?q=node/159
Best regards.
Gris
The circular ring diameter is 5 mm, the umbrella is globose and measures 9 mm in diameter. Medusa height is 4 mm. Regards.
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