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Porthbean,
Gerrans, United Kingdom
No information
15.4°C
Last updated :
23/10/2026 06:00
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Worldwide
United Kingdom
Cornwall
Gerrans
Porthbean
Beach
Great Molunan
Little Molunan
Porthcurnick
Towan
Unnamed beach
Porthbeor Beach
Porthbean
Cellars Beach
Unnamed beach
Unnamed beach
Unnamed beach
Unnamed beach
Unnamed beach
Unnamed beach
Unnamed beach
Unnamed beach
Unnamed beach
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Jellyfish density evolution
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30 days
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Jellyfish size
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-- Beach (if available) --
Great Molunan
Little Molunan
Porthcurnick
Towan
Unnamed beach
Porthbeor Beach
Porthbean
Cellars Beach
Unnamed beach
Unnamed beach
Unnamed beach
Unnamed beach
Unnamed beach
Unnamed beach
Unnamed beach
Unnamed beach
Unnamed beach
My position
Observation position
Date of observation
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none
very little
few
a lot
Water temperature
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Identification
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What did they look like?
Other
Pelagia N.
5 - 10 cm
Aurelia A.
25 - 40 cm
Rhizostoma O.
20 - 90 cm
Cyanea L.
15 - 30 cm
Physalia P.
10 - 30 cm
Chrysaora H.
15 - 30 cm
Velella V.
4 - 8 cm
Cyanea C.
30 - 200 cm
Mnemiopsis L.
7 - 12 cm
Description rapide
Estimated size :
Coin
Hand
Ball / Plate +
Dominant color :
Clear
Pink / Violet
Brown / Yellow
Blue
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