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| Title | Date of sighting | reporter | Image | Lat / Lng | Description | Type of organism | Other type |
|---|---|---|---|---|---|---|---|
| Mnemiopsis leidyi | Medusas_Barcelona | 38.840 / 0.110 | Lots of Mnemiopsis leidyi in Denia, Alicante |
Other | |||
| Jellyfish Invade Monterey… | Jellywatcher | 36.600 / -121.890 | All around Fisherman's Wharf there are millions of J |
Jellyfish | |||
| No jellies outside of… | KelpRat | 36.800 / -121.790 | Paddled west into Monterey Bay about 4 miles from Moss La |
Clean sea | |||
| Sea Nettles at Moss… | KelpRat | 36.800 / -121.790 | Paddling out of Moss Landing, near MBK beach, spotted num |
Jellyfish | |||
| Fresh water sighting | Jellywatcher | 39.210 / -121.090 | Northern Calif Lake Grass Valley. |
Jellyfish | |||
| Poralia rufescens | Jellywatcher | 
|
28.730 / -88.350 | 1068.2m |
Jellyfish | ||
| Sea Lions on Moss Landing… | KelpRat | 36.800 / -121.790 | Paddling out past the red harbor entrance bouy about 1.3 |
Vertebrate | |||
| Two Sea Otters in… | KelpRat | 36.800 / -121.790 | Paddling west of Moss Landing, about 1.5 miles from the h |
Vertebrate | |||
| Hesquiat Harbour | Jellywatcher | 49.390 / -126.470 | Hello, We were kayaking up at Hesquiat Harbour, BC 2 yea |
Jellyfish | |||
| Rhizostoma pulmo… | Medusas_Barcelona | 41.450 / 2.250 | Very big Rhizostoma pulmo were foun in the Bridge Oil in |
Jellyfish | |||
| Sea Nettle (Chrysaora… | Mahealani | 36.070 / -75.690 | Jellyfish | ||||
| Monterey harbor bloom | cmonty72 | 
|
36.600 / -121.890 | I've never seen so many Jellies |
Jellyfish | ||
| Jellyfish | Jellywatcher | 43.570 / 7.080 | A lot of medusa jellyfish at the Gulf of Juan near Antibe |
Jellyfish | |||
| C. fuscescens in Monterey… | jellyhunter | 
|
36.610 / -121.890 | Large bloom of small to medium sized nettles, all C. |
Jellyfish | ||
| Plate-size jellyfish for… | Jellywatcher | 34.410 / -119.880 | since at least Aug. |
Jellyfish | |||
| A Pelagia jellyfish stung… | kermitond | 37.910 / -0.740 | I was taking a bath with my sons and one of them was stun |
Jellyfish | |||
| Aug. 18 Pillar Pt. | bkossy | 37.480 / -122.500 | I was kayaking off Pillar Pt. |
Vertebrate | |||
| Harbor porpoise near… | bkossy | 37.490 / -122.500 | Harbor porpoise hunting for fish during a lowish tide nea |
Vertebrate | |||
| Rhizostoma pulmo in… | Medusas_Barcelona | 
|
41.250 / 1.900 | A lot of RP were detected in Garraf´s beaches. |
Jellyfish | ||
| Physalia physalis in San… | Medusas_Barcelona | 43.320 / -1.980 | 15 Physalia physalis were found in San Sebastian. |
Man o war | |||
| Oceanside Harbor | Jellywatcher | 33.200 / -117.390 | Glassy darkish purple and clumpy jellyfish |
Jellyfish | |||
| Tahilla Cove, County… | IsabelJ | 
|
51.830 / -9.830 | There were several smaller versions of the same kind of j |
Jellyfish | ||
| Physalia physalis in San… | Medusas_Barcelona | 43.320 / -1.980 | 800 Physalia physalis were remouved from San Sebastian b |
Man o war | |||
| small moon jelly near… | Jellywatcher | 37.850 / -122.430 | Today at 11:30 a.m. |
Jellyfish | |||
| Asilomar State Beach | angelajean | 36.620 / -121.940 | Lowtide, early morning about 7:30am |
Jellyfish | possibly 2 sea nettles, dead |