There have been rumours of large mysterious jelly balls floating around in the sea. For a long time, they have puzzled scientists. From northern Norway to the Mediterranean, around 100 records have been made since 1985. And three of these in Sweden. Our underwater photographer Tobias Dahlin has now made a fourth find, in the Gullmarsfjord in Bohuslän on the Swedish west coast, and he had his camera with him. We also meet Halldis Ringvold, a Norwegian marine biologist, who in 2021 revealed what’s really hidden inside the meter-long wondrous balls.
For those of you who can’t watch the video above, here’s another option.
Reportage: Tobias Dahlin
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