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Medusa del Mediterráneo o Medusa de huevo frito

Cotylorhiza tuberculata

Photo by eulalia rubio
Published on Project Noah
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37.6432, -0.723023

Field Notes

Description:

Este ejemplar tiene 25 cm de diámetro. La C. tuberculata es generalmente inferior a 17 cm de ancho. La cúpula es suave, está rodeada por un anillo de pequeños tentáculos morados dispuestos en forma de círculo. Los lóbulos marginales son alargados y subrectangulares. Cada brazo se bifurca de la boca hasta cerca de su base. Además de algunos apéndices más grandes que hay muchos cortos, en forma de maza que llevan los extremos en forma de discos.

Habitat:

Playa del Mar Menor, La manga (Murcia).

Notes:

Parece que la picadura de esta medusa tiene muy poco efecto o ninguno en los seres humanos.

Reference Links:

Cotylorhiza tuberculata

Species ID Suggestions

Comments (7)
lori.tas
Thanks Eulalla for the very through answer.
eulalia rubio
The causes of the proliferation of jellyfish in the Mediterranean Sea are: - The increase in nutrients in seas and oceans by dumping fertilizers and sewage from urban areas, which accentuates the availability of nitrogen and phosphorus in the seas. - Reduced predation by the decrease in the number of natural predators such as loggerhead turtle. - The increase in sea temperatures, which accelerate their life cycle. - The drought, which reduces the supply of fresh water from rivers and destroys the cline in salinity, which retains the jellyfish at sea.
lori.tas
What makes them a "pest"? Are they introduced, or is it just that there is lots of them?
eulalia rubio
They are a pest in the Mediterranean Sea. But fortunately Cotylorhiza tuberculata they are harmless.
lori.tas
Ooooo. A fried-egg jellyfish. I've seen videos of them. Pretty, but a bit disturbing looking as well.

Tags

Photographed
PublishedAugust 6, 2011

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