OCEAN SPECIES: A primitive type of jellyfish called Cassiopea, which goes to sleep nightly, is seen on the floor of their tank at Caltech in Pasadena, California, US. — Reuters
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OCEAN SPECIES: A primitive type of jellyfish called Cassiopea, which goes to sleep nightly, is seen on the floor of their tank at Caltech in Pasadena, California, US. — Reuters
Oman Observer is now on the WhatsApp channel. Click here