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| Title | Date of sighting | reporter | Image | Lat / Lng | Description | Type of organism | Other type |
|---|---|---|---|---|---|---|---|
| Teeny vellellas | mobile_jellywatcher | 36.820 / -121.830 | Velella | Vellella vellella | |||
| Pelagia noctiluca | Jellywatcher | 41.210 / 1.720 | Vilanova i la Geltru, Spain - waters not far from beach |
Jellyfish | Vilanova i la Geltru | ||
| Nombreuses méduses | mobile_jellywatcher | 42.480 / 9.530 | On en voit énormément échouées sur la plage ... |
Jellyfish | Violettes | ||
| Méduses à Erbalunga | mobile_jellywatcher | 42.770 / 9.470 | Jellyfish | Violettes | |||
| Jellies on beach | mobile_jellywatcher | 
|
36.600 / -121.880 | Jellyfish | Washed up on beach | ||
| Kiawah Beach | saramccarter | 
|
32.590 / -80.130 | There were about 7 this morning washed up on the beach in |
Jellyfish | water was very rough | |
| Jellyfish and dead seal… | Jellywatcher | 48.380 / -123.350 | There are MANY dead moon and Lion's Mane jellies in the w |
Jellyfish | We also saw a dead young seal | ||
| Western Grebe | Jellywatcher | 
|
32.800 / -117.260 | Bird stranded on the shore, couldn't get back to the |
Other | Western Grebe | |
| Blue whales! | WhaleTales | 
|
32.750 / -117.290 | 2 blue whales spotted today off San Diego. |
Vertebrate | Whale | |
| Whale watching | mobile_jellywatcher | 36.800 / -121.860 | Vertebrate | Whale | |||
| Whelk Egg Case? | Elizabeth Eubanks | 
|
26.560 / -80.040 | If it is already out of the water- what is the chance of |
Other | Whelk Egg Case? | |
| Plain white jelly. First… | mobile_jellywatcher | 11.140 / 99.480 | Jellyfish | White | |||
| White spotted jellyfish… | Jellywatcher | 
|
34.490 / -77.430 | This jellyfish was already washed up on shore just before |
Jellyfish | White spotted jellyfish | |
| Mixed swarm of sea… | Jellywatcher | 
|
-43.160 / 147.240 | A single Lion's Mane Cyanea sp collected, plus multi |
Jellyfish | Woodbridge School Marine Discovery Centre | |
| Sea Worm | BlueSeaWendy | 
|
37.440 / -122.140 | Found this stranded on the beach. |
Other | worm | |
| First spring jellies! | Leo | 48.540 / -123.010 | Today I saw the first of the spring jellies here off the |
Jellyfish | worms and pteropod | ||
| Jellyfish in Long Island… | Jellywatcher | 
|
40.890 / -73.420 | Bell top with mini tentacles |
Jellyfish | York College CUNY |