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| Title | Date of sighting | reporter | Image | Lat / Lng | Description | Type of organism | Other type |
|---|---|---|---|---|---|---|---|
| Multiple Jelly Fish | Jellywatcher | 41.770 / -70.510 | Big and small jellyfish, multiple. |
Jellyfish | |||
| Comb jellies in Cape Cod… | Jellywatcher | 41.770 / -70.230 | Saw a bloom of comb jellies from a sail boat. |
Other | |||
| Town Neck Beach… | Jellywatcher | 41.770 / -70.490 | I saw some bioluminescent colors in the water last night |
Jellyfish | |||
| Velella Corsica | Jellywatcher | 
|
41.780 / 9.430 | Thousands of live, dead and floating velella on a pebble |
Velella | ||
| Velella | Hooper | 41.790 / -124.250 | They started showing up on the beaches north and south of |
Velella | Velella | ||
| No Jellyfish | mobile_jellywatcher | 41.800 / 9.400 | Clean sea | ||||
| Tiny moon jelly | Jellywatcher | 41.820 / 41.780 | A tiny (~2cm diameter) moon jellyfish has been observed b |
Jellyfish | |||
| First Jellycatcher… | fgoetz | 41.820 / -71.400 | No jellies :/ we will have to try the jellycatcher anothe |
Clean sea | |||
| Wish we had a… | fgoetz | 41.820 / -71.400 | Picture a few undergraduates and a lab tech squatted on r |
Jellyfish | |||
| Taunton River | Jellywatcher | 41.830 / -71.120 | There were many jellyfish, clear blueish, varied in size. |
Jellyfish | |||
| Ctenophore | mobile_jellywatcher | 
|
41.840 / -69.940 | I came across this tiny one on Coast Guard Beach today. |
Other | Ctenophore | |
| Jellyfish on Ajaccio | Jellywatcher | 41.910 / 8.640 | 4 Jellyfish |
Jellyfish | |||
| Plein de meduses | mobile_jellywatcher | 41.910 / 8.700 | Jellyfish | ||||
| Cotylorhiza tuberculata… | MobileAnonymous | 41.920 / 3.210 | Jellyfish | ||||
| No Jellyfish but no… | mobile_jellywatcher | 42.000 / 9.460 | Clean sea | ||||
| Hundreds of marble-sized… | Jellywatcher | 42.000 / -70.020 | These lovely marble-like jellies have already been report |
Other | |||
| Phacellophora - (aka… | Jellywatcher | 
|
42.030 / -70.170 | Phacellophora jellyfish were all over the place off the c |
Jellyfish | ||
| lions mane | Jellywatcher | 42.090 / -70.710 | Jellyfish | ||||
| Comb Jellies? Marshfield… | Jellywatcher | 42.090 / -70.640 | My Fiancee and I went to brant rock (Ocean Street) and pa |
Jellyfish | |||
| Race Point, Provincetown… | Jellywatcher | 
|
42.090 / -70.100 | Unsure of type- was 18 inch diameter just below the wrack |
Jellyfish | ||
| Few jellyfish at Sagone-… | mike94370 | 42.110 / 8.700 | Jellyfish | ||||
| Mnemiopsis leidyi | Jellywatcher | 42.110 / 14.720 | Saw about 12 of these little guys whilst snorkeling just |
Jellyfish | Mnemiopsis leidyi | ||
| Bioluminescent | Jellywatcher | 42.130 / -70.680 | My wife and niece reported seeing luminescence when they |
Other | |||
| Bioluminescence | Jellywatcher | 42.130 / -70.680 | Bioluminescence under foot as the high tide recedes. |
Other | Bioluminescence | ||
| Mnemiopsis | Jellywatcher | 42.140 / -70.690 | Other | Ctenophore |