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Title Date of sighting reporter Image Lat / Lng Description Type of organism Other type
Jellyfish Jellywatcher 33.890 / -78.430

Three children were stung this week by jellyfish at ocean

Moon Jellyfish washed up… Jellywatcher 38.000 / -122.360

More than one hundred dead jellyfish washed up on Bay Are

unknown Hydrozoan sesundew 57.140 / -135.370

Hydrozoan but hoping for help with an ID (Sitka,AK)

Medusa… Jellywatcher 39.580 / 2.350

Lots in the sea in sant elm

Cardigan Bay - eastern… Ruth 46.210 / -62.460

over 2 kilometres of dead jellies - hundreds of thousands

Jellyfish Aurelia aurita - Moon Jellyfish
Saw dead jelly? Jellywatcher 45.880 / -123.970

I'm not sure what kind it is, but it washed up on cannon

Unknown jellyfish with… Suzan Meldonian 13.690 / 120.940

Photographed in Anilao, Philippines June 2019 on Black wa

Jellyfish NiteFlight Photographics
Barrel jelly… S-Trim 50.150 / -5.060

Single barrel jelly in Falmouth harbour, UK

Fried egg jellys S-Trim 51.520 / 0.720

Walking on Southend Pier, spotted three fried egg jellies

Allatina… Jellywatcher 23.550 / 58.660

Saw large 1 ft long (body of jellyfish - tentacles longer

Cannonball… Jellywatcher 32.620 / -79.040

Approximately 70 cannonball jellyfish spotted from Ferry

Moon Jellyfish with 6… Jellywatcher 48.730 / -123.210

Saw a moon jelly with 6 gonads

Pelagia… Jellywatcher 40.580 / 14.280

Numerous Pelagia noctiluca species (AKA mauve stinger) th

Moon Jelly Jellywatcher 36.960 / -122.020

8 inch Moon Jelly floating at the top of the kelp forest.

Marina Del… Jellywatcher 40.580 / 14.360

Didn’t see anything, but was stung 3 times

Other Unsure
Plastic balloons all… beroe 36.660 / -122.130

Found 27 balloons along our route as far as 20 miles from

Plastic Mylar balloons
Portuguese man… Jellywatcher 38.660 / -27.290

Many (approx 30) jellies with sails of length around 10cm

Man o war
Jelly in Mediterranean… Jellywatcher 40.560 / 14.240

Was swimming around in the water right off the beach and

model 14 TienW 29.460 / -157.560

model 14 desc

Velella… Jellywatcher -8.780 / -119.910

Millions on the Oregon coast at Wasburne state park

Box jellyfish… Jellywatcher 19.320 / -81.240

Dangerous and highly potent box jellyfish sighted on the

Box Jelly
Perdido, FL/Gulf Shores,… Elizabeth Eubanks 30.280 / -87.520

Clean beach and water body.

Clean sea
By the wind sailors Jellywatcher 44.400 / -124.080

Clear sail top with blue flat bottom.

By the wind sailors Jellywatcher 44.430 / -124.030

Clear sail top with blue flat bottom.

QuyenPham QuyenPham 12.240 / 109.200

Jelly FIsh