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| Title | Date of sighting | reporter | Image | Lat / Lng | Description | Type of organism | Other type |
|---|---|---|---|---|---|---|---|
| Mauve Stingers | jude | 38.030 / 0.570 | Lots... read artical |
Jellyfish | |||
| Jellyfish | Jellywatcher | 
|
50.850 / 0.590 | Large, purple frill, orange filled tentacles |
Jellyfish | ||
| Blue fire | Jellywatcher | 52.980 / 0.630 | Jellyfish | ||||
| Small Velella velella | Medusas_Barcelona | 39.890 / 0.670 | hundred of very small (around 3 or 4 mm) Velella velella |
Velella | Velella | ||
| Mnemiopsis leidyi | Medusas_Barcelona | 40.810 / 0.710 | Lots of mnemiopsis were foun for the first time this year |
Jellyfish | |||
| Fried egg jellys | S-Trim | 
|
51.520 / 0.720 | Walking on Southend Pier, spotted three fried egg jellies |
Jellyfish | ||
| Blue green colour… | Jellywatcher | 51.420 / 0.750 | Last Saturday night about 22.00 hour I witness a mass of |
Other | Plankton | ||
| Jellyfish Essex | Jellywatcher | 51.530 / 0.760 | Lots of dead jellyfish washed up on beach (approx 30), a |
Jellyfish | |||
| Bioluminescence in the… | Jellywatcher | 51.520 / 0.780 | Southend on sea, bioluminescence in the water last night! |
Red Tide | |||
| Rhizostoma pulmo | jellywatch | 
|
40.910 / 0.830 | Submitted by DHL |
Jellyfish | ||
| Platja Cristal (Miami… | Jellywatcher | 40.990 / 0.930 | Rhizostoma pulmo |
Jellyfish | Rhizostoma pulmo | ||
| Mass wash up on beach | Jellywatcher | 51.020 / 0.990 | Mass wash up of comb jellies washed up on Dymchurch beach |
Other | Ctenophores | ||
| Whitstable West Beach | Jellywatcher | 51.360 / 1.020 | 19deg sea, 10cm diameter, lots of smaller ones too |
Jellyfish | Mr. | ||
| Crystal jelly fish | Jellywatcher | 
|
52.910 / 1.050 | Friday evening on Salthouse beach along the north norfolk |
Jellyfish | Mrs. | |
| Cyanea in North sea | Jellywatcher | 53.520 / 1.070 | A few cyanea (lamarckii and capillata) at the Dowsing sma |
Jellyfish | |||
| 8 Aurelia aurita | S-Trim | 
|
51.370 / 1.130 | Four large A.aurita (about 24cm) diameter and four small |
Jellyfish | ||
| Possible - Prionace… | earthgecko | 41.070 / 1.130 | Possible Prionace glauca bite. |
Other | shark | ||
| Aurelia aurita, Herne… | Nomeus | 
|
51.370 / 1.130 | 3 washed-up moon jellies, plus one in the marina. |
Jellyfish | ||
| 3 Moon Jellyfish on… | Jellywatcher | 51.790 / 1.150 | Calm water on a warm day, 3 in total visited the beach ar |
Jellyfish | |||
| Cotylorrhiza tuberculata… | Alex Damian | 
|
38.910 / 1.210 | Fried-egg jelly in cala Vadella |
Jellyfish | ||
| Leucothea multicornis at… | Alex Damian | 
|
38.870 / 1.210 | Large specimen, 30+ cm |
Other | Ctenophore | |
| Forskalia sp. near Es… | Alex Damian | 
|
38.870 / 1.210 | 15cm long contracted colony, 4m deep. |
Other | Physonect siphonophore | |
| Pelagia noctiluca blooms… | Alex Damian | 
|
38.850 / 1.210 | Episodes of dense blooms of mauve stingers nearshore and |
Jellyfish | ||
| seen some jellys | Jellywatcher | 38.890 / 1.210 | Jellyfish | ||||
| Medusas | mobile_jellywatcher | 38.890 / 1.220 | Jellyfish |