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| Title | Date of sighting | reporter | Image | Lat / Lng | Description | Type of organism | Other type |
|---|---|---|---|---|---|---|---|
| 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 | |
| Small Cyanea capillata… | Jellykeeper101 | 47.310 / -122.520 | Observed a small Cyanea capillata (bell diameter about 10 |
Jellyfish | |||
| Vellela Vellela | Jellywatcher | 
|
51.780 / -5.100 | Backslash Vellela - hundreds of them. |
Velella | ||
| By-the-wind-sailor | Jellywatcher | 
|
51.670 / -4.330 | There were 3 or 4 washed up on the beach today |
Velella | ||
| Lots on the beautiful… | Jellywatcher | 53.960 / -10.060 | There were hundreds of these washed up on gorgeous Keel b |
Velella | |||
| cannon-ball Jellyfish… | Jellywatcher | 36.380 / -75.830 | Found washed up and in the surf as a hurricane/tropical s |
Jellyfish | |||
| Jellyfish | Jellywatcher | 30.270 / -87.570 | 2 sightings in front of tidewater resort on orange beach. |
Jellyfish | |||
| Lion’s are back at… | Jellywatcher | 41.350 / -71.800 | Beautiful August day for an open water swim and one large |
Jellyfish | |||
| Lion's Mane,… | Jellywatcher | 47.940 / -53.080 | Lion's Mane/Arctic Read Jellyfish, found in 4 foot d |
Jellyfish | |||
| Plastic Naval Live Oaks… | Elizabeth Eubanks | 
|
30.360 / -87.140 | Plastic looking like a jelly |
Plastic |