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| Title | Date of sighting | reporter | Image | Lat / Lng | Description | Type of organism | Other type |
|---|---|---|---|---|---|---|---|
| Physalia in the Açores… | jellywatch | 
|
38.530 / -28.630 | Looks like dozens to hundreds of man o wars https://www.inst | Man o war | ||
| By the Wind Sailors | Jellywatcher | 
|
36.950 / -121.880 | By the Wind Sailors on Seascape Beach Aptos |
Velella | ||
| Velella | Jellywatcher | 
|
36.970 / -121.910 | Blue lefty |
Velella | ||
| Velella in front of Phil… | Andrew | 
|
36.800 / -121.790 | See attached image |
Velella | ||
| Vellella velella | Jellywatcher | 
|
36.870 / -121.820 | Thousands of them washed up at Pajaro Beach, Watsonville |
Velella | ||
| Red Tide at night in San… | Jellywatcher | 
|
32.790 / -117.230 | We're having a great bloom of red tide, actually bro |
Red Tide | ||
| Scrippsia? | Jellywatcher | 
|
37.760 / -122.510 | Ocean Beach, San Francisco |
Jellyfish | ||
| Velella velella | Jellywatcher | 
|
37.760 / -122.510 | Ocean Beach, San Francisco, CA |
Velella | ||
| Thysanostoma with… | Jellywatcher | 
|
-17.600 / -149.650 | Unindentified juvenile Thysanostoma in association with j |
Jellyfish | 1973 | |
| By the Wind Sailors at… | Jellywatcher | 38.240 / -122.970 | After days of strong winds, dozens of them were washed up |
Velella | |||
| Jellyfish in Long Island… | Jellywatcher | 
|
40.890 / -73.420 | Bell top with mini tentacles |
Jellyfish | York College CUNY | |
| Montara Beach Sighting… | Jellywatcher | 
|
37.550 / -122.510 | Saw 50+ Valella today washed up on Montara Beach. |
Velella | ||
| Thysanostoma from… | jellyhunter | 
|
1.870 / -157.430 | Stock photo. | Jellyfish | ||
| Small Jelly found in… | Jellywatcher | 
|
26.480 / -82.030 | I found what looked like a really small medusa. |
Jellyfish | ||
| Washed ashore | Jellywatcher | 
|
29.100 / -95.090 | I found this on the beach this morning still alive. | Man o war | ||
| No Jellies on Pas… | Elizabeth Eubanks | 30.300 / -89.280 | Lots of skimmers and gulls - but no jellies on beach or i |
Jellyfish | |||
| Trash on Biloxi Beach | Elizabeth Eubanks | 
|
30.390 / -88.930 | Haven’t seen much at all - so worthy of a mention |
Plastic | ||
| No Jellies at low tide… | Elizabeth Eubanks | 
|
30.390 / -88.930 | Water from shore clean of jellies. |
Jellyfish | ||
| Beroe ovata - Brown Comb… | Elizabeth Eubanks | 
|
30.390 / -88.930 | So cool to see these again. |
Jellyfish | ||
| Unknown Jelly sighting… | Jellywatcher | 
|
37.760 / -122.510 | My roommate and her friend found this specimen at Ocean B |
Jellyfish | ||
| Brown Comb Jelly -… | Elizabeth Eubanks | 
|
30.390 / -88.930 | Dead on beach |
Jellyfish | ||
| Does anyone know what… | Jellywatcher | 37.500 / -75.950 | 8 inch disc with pink tinge to the jelly. |
Jellyfish | |||
| Jellyfish in Bang Tao… | Jellywatcher | 8.000 / 98.290 | Very much jellyfish until 50 cm from the beach. |
Jellyfish | |||
| Chesapeake Bay | Jellywatcher | 
|
37.240 / -76.510 | Very healthy was among several and babies. |
Jellyfish | ||
| Comb Jellies in Severn… | Jellywatcher | 39.000 / -76.480 | Lots of small comb jellies, about the size of the palm of |
Other | Comb Jelly |