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| Title | Date of sighting | reporter | Image | Lat / Lng | Description | Type of organism | Other type |
|---|---|---|---|---|---|---|---|
| Cordova, Alaska | jrfritsch | 
|
60.500 / -145.860 | Hartney Bay |
Jellyfish | ||
| Jellyfish in Flensburg,… | Jellywatcher | 
|
54.960 / 10.890 | Thursday 24 July, many jellyfish in the Baltic. |
Jellyfish | ||
| Barrell jellyfish swarm… | mobile_jellywatcher | 
|
51.690 / -4.540 | Jellyfish | |||
| Jelly swarms pwllheli | mobile_jellywatcher | 
|
52.880 / -4.380 | Jellyfish | Barrel jelly fish | ||
| 100+ but harmless swam… | mobile_jellywatcher | 30.230 / -85.890 | Jellyfish | Harmless | |||
| Seal? | Jellywatcher | 
|
36.610 / -121.960 | Not sure if it's a seal because of decomposition. |
Other | ||
| Prionace glauca | earthgecko | 41.140 / 1.410 | Prionace glauca X 2 |
Other | shark | ||
| Mangrove Box Jellyfish… | Gogreenman | 
|
26.370 / -80.070 | There were lots of T. Cystophora. |
Box Jelly | Tripedalia Cystophora | |
| Jellyfish in marseille… | mobile_jellywatcher | 43.240 / 5.370 | Jellyfish | ||||
| Fried egg jellyfish at… | Laura the Marine Biologist | 
|
36.620 / -121.910 | Jellyfish | |||
| Tennessee Valley… | Jellywatcher | 
|
37.840 / -122.550 | Numerous sailboat jellies washed ashore the small Tenness |
Jellyfish | ||
| Lots of purple jellyfish… | Jellywatcher | 
|
46.480 / -63.290 | We saw these on PEI, from our ferry back to Nova Scotia, |
Jellyfish | ||
| Jelly | mobile_jellywatcher | 36.180 / -75.750 | Jellyfish | Moon | |||
| Rhizostoma octopus x 2,… | mobile_jellywatcher | 51.570 / -4.160 | Jellyfish | rhizostoma octopus | |||
| Mnemiopsis leidyi | mobile_jellywatcher | 
|
51.230 / 2.950 | Other | Ctenaire | ||
| Freshwater Jellies in… | jellywatch | 49.260 / 8.380 | Possible Craspedacusta seen by Martin E while swimming. |
Jellyfish | |||
| Jellyfish, Pettycur Bay… | Jellywatcher | 
|
56.060 / -3.180 | This Jellyfish was around 1.5ft diameter. |
Jellyfish | ||
| Phacellophora in… | jellyhunter | 36.760 / -121.870 | Many Phacellophora dominating the surface waters of Monte |
Jellyfish | |||
| Petites méduses à Six… | mobile_jellywatcher | 43.080 / 5.810 | Sur la plage du Cros |
Jellyfish | |||
| Benllech, Anglesey 20.07… | mcbemused | 
|
52.670 / -3.880 | Saw 3 jellies washed up on the beach, plus lots of small |
Jellyfish | unidentified squidgy things | |
| Predatory Ctenophore (… | Darwin-Evolution | 
|
67.930 / 13.090 | This is most definitely a comb jelly, I'm just not s |
Other | Comb Jelly (Beroë Cucumis?) | |
| by the wind sailor (… | Jellywatcher | 37.760 / -122.530 | Tons of these blue velella have washed up on Ocean beach. |
Velella | Velella | ||
| crowned in coral garden… | Reef Recharge | 4.090 / 73.510 | saw a large crowned jellyfish swimming over the top of th |
Jellyfish | |||
| By-the-wind Sailors in… | jsones | 
|
38.320 / -123.070 | Hundreds of By-the-wind Sailors (Velella velella) washing |
Velella | Velella | |
| Velella Velella all over… | Jellywatcher | 38.380 / -123.080 | I could not make out if they were alive or not. |
Velella | Velella |