"Compared to last year, we have a 60% increase in reports of jellyfish, and the density of individuals per report has also increased", explains Jérémy Deverdun.
On his Méduséo site, the engineer follows the comings and goings of these invertebrates on the French coasts.
Since the beginning of June, pelagia noctiluca, these small masses of purple gelatin, have been very present on the Mediterranean coasts.
To the chagrin of Iskander, a regular at La Seyne-sur-Mer (Var): “I hate this stuff, it's my phobia.
When they invaded the beaches in mid-June, it was catastrophic.
A few days later, the video of dozens of swimmers getting stung at the Monte Cristo race in the port of Marseille on June 27 went viral.
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