Jellyfish have been thought only to be a summer phenomenon, however, a surprising appearance of jellyfish in December has raised new questions.
Jellyfish were able to learn where obstacles were placed and actively avoid them.
These fossils are considered to be especially valuable as it is rare for jellyfish to fossilize because they are made up of 95% water.
Usually, at this time of the year, huge swarms of jellyfish would have already reached Israel’s beaches, but now, they're almost completely free of them.
Box jellyfish, scientifically known as class Cubozoa, includes some of the highly venomous marine animals that are widely known in tropical waters, the study said.
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