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| Title | Date of sighting | reporter | Image | Lat / Lng | Description | Type of organism | Other type |
|---|---|---|---|---|---|---|---|
| Stung by unknown… | Jellywatcher | 41.280 / -70.100 | About 4-6” in diameter. Did not get clear view. |
Jellyfish | Not certain | ||
| Blue string.... no! | Jellywatcher | 28.190 / -83.640 | I saw a wiry blue string sitting in the ocean i’m totally |
Man o war | Blue bottle | ||
| Jellyfish- possibly lion… | Jellywatcher | 
|
44.030 / -68.800 | Jellyfish found drifting into shore in Brookline, ME. |
Jellyfish | ||
| Sea Nettles | Jellywatcher | 37.240 / -76.510 | 12+ Sea Nettles of various size swimming 20 yards off the |
Jellyfish | Sea Nettle | ||
| Jellyfish at Laguna… | Jellywatcher | 
|
36.980 / -122.160 | Single jellyfish that washed up on shore momentarily for |
Jellyfish | ||
| Moon Jellies in BC | Jellywatcher | 
|
49.470 / -123.750 | Blooms of Moon Jellies sighted at 10 am in Lamb Bay, Sech |
Jellyfish | ||
| Lots of jellyfish | Jellywatcher | 36.650 / -76.280 | Lots of brownish red jelly fish just floating around in N |
Jellyfish | |||
| Lion Mane Jellyfish | Jellywatcher | 
|
40.970 / -72.140 | Napeague Beach Amagansett, NY |
Jellyfish | ||
| Clean sea in St. Peter… | Jellywatcher | 54.300 / 8.650 | Clean sea | ||||
| Unknown jellyfish | Jellywatcher | 37.030 / -76.350 | Sighted in the Chesapeake Bay at Grandview Nature Preserv |
Jellyfish | |||
| Julia | Jellywatcher | 51.610 / -9.700 | Hundreds of By-the-wind sailors. |
Velella | |||
| All the bay nettles | Jellywatcher | 
|
36.380 / -75.830 | Too many jellyfish to swim |
Jellyfish | ||
| Possible Lions Mane… | Jellywatcher | 57.870 / -6.670 | Seen in the small harbour below the lighthouse, Eilean Gl |
Other | Mr. | ||
| Box jellyfish | Jellywatcher | 36.880 / -121.860 | deadly |
Jellyfish | |||
| Broad Haven Velella… | Jellywatcher | 51.780 / -5.100 | Thousands of Velella Velella on Broad Haven beach today, |
Velella | |||
| Lion’s Mane in Mendocino… | Jellywatcher | 
|
39.310 / -123.800 | Went kayaking out of Russian Gulch SP in Mendocino, CA an |
Jellyfish | ||
| Small organisms washed… | Jellywatcher | 
|
38.690 / -75.070 | 2 cm long sperm-like appearance, orange color at large en |
Other | Unknown | |
| Mnemiopsis everywhere | drcolossus | 
|
55.610 / 10.610 | abundant Mnemiopsis leidyi, found while snorkeling near s |
Other | Ctenophore | |
| Velella sighting on… | Jellywatcher | 52.120 / -7.230 | velella washed Up on a beach called kilfarassay in waterf |
Velella | |||
| Velella Velella | Jellywatcher | 
|
52.390 / -6.390 | abundance both beached and off shore. |
Velella | ||
| Moon jelly - Ft Stevens… | Jellywatcher | 46.200 / -123.980 | I saw one small moon jelly while wading off the Northern |
Jellyfish | |||
| Cassiopeia sp. | Jellywatcher | 29.690 / -85.340 | 3 small (half dollar) sized Cassiopeia on a sandy patch i |
Jellyfish | |||
| Sighting of single… | Jellywatcher | 36.670 / 24.460 | I saw a purple jellyfish, a bit bigger than the palm of a |
Jellyfish | |||
| Multiple species of… | Jellywatcher | 
|
36.320 / -75.810 | Hundreds of jelly’s among the waves, some look to be type |
Jellyfish | ||
| Pink comb jellies | Jellywatcher | 
|
36.950 / -76.240 | Saw several pink comb jellies along the shore at approxim |
Other | Comb Jellies |