SUNRISING JELLYFISH: Jellyfish (Cotylorhiza tuberculata) drifting just beneath the surface, looking to capture the first sunrays to trigger their symbiotic algae to produce energy for it.  Mar Menor coastal lagoon, Murcia province, Spain. (Photo and caption by Angel Fitor)
-National Geographic

SUNRISING JELLYFISH: Jellyfish (Cotylorhiza tuberculata) drifting just beneath the surface, looking to capture the first sunrays to trigger their symbiotic algae to produce energy for it.  Mar Menor coastal lagoon, Murcia province, Spain. (Photo and caption by Angel Fitor)

-National Geographic