The images are impressive.
In Saint-Malo, Rochebonne beach took on the appearance of a cemetery on Wednesday at low tide with thousands of spider crab carcasses that were washed up on the sand, reports
Ouest-France
.
If the spectacle is striking, however, it is nothing unusual and occurs every year.
🦀 Thousands of spider crab carcasses washed up in Saint-Malo
But what happened?
😱 pic.twitter.com/pdy2Je2NKb
- Ouest-France (@OuestFrance) June 18, 2021
The months of June and July are indeed the moulting period for moussettes.
These juvenile spider crabs will give up their original shell and legs so that they can continue to grow.
The first year, the phenomenon occurs more than ten times and twice the second year.
As crustaceans tend to congregate under water, the carcasses often run aground in the same place thanks to the current and the swell, specifies the daily.
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