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Title Date of sighting reporter Image Lat / Lng Description Type of organism Other type
warm water Jellywatcher 41.300 / -72.580

1st sighting ever for me of a sea nettle in Long Island S

Jellyfish
3 Jelly fish MobileAnonymous 28.090 / -80.570

4-6Inch sized

Jellyfish
Velella Velella Jellywatcher 58.200 / 11.410

Leftsided : all 12

Velella
Purpuley blue MobileAnonymous 36.740 / -3.890

Long tentacles bluey purple small and round.

Jellyfish
Barrel jellyfish MobileAnonymous 38.530 / 26.610 Jellyfish
Rhizostoma pulmo Jellywatcher 38.520 / 26.600 Jellyfish
Box jellyfish in cape… MobileAnonymous 37.260 / -76.020

100% sure I saw a box jelly swimming around in my fish li

Box Jelly
Many jellyfish in Lewis… MobileAnonymous 41.650 / -70.250 Jellyfish
Thousands of Aequorea… Jellywatcher 50.110 / -5.030

Many thousands of crystal jellyfish seen from a pelagic w

Jellyfish
Root mouth Jellywatcher 54.280 / -0.400

Root mouth (Rhizostoma), on the beach, Scarborough UK

Jellyfish
Corpus Christi jellyfish… Jellywatcher 27.800 / -97.400

White jelly fish in the bay

Jellyfish
Le Lavandou Anglade… Jellywatcher 43.140 / 6.370

Plenty smaller reddish jellyfish

Jellyfish
Jelly fish MobileAnonymous 36.910 / -76.080 Jellyfish Moon jelly
Jellyfish islas del… MobileAnonymous 10.180 / -75.760

Jellyfish islas del rosario

Jellyfish
Jellyfish MobileAnonymous 41.280 / -72.010

It was at least 12 inches around.

Jellyfish
Ceibwr Bay, Wales, UK Jellywatcher 52.080 / -4.760

Over a 100 small blue cobweb-like jelly fish about 2 inch

Velella
Cantabric sea full of… Jellywatcher 43.220 / -2.020

There have been sightings since July, in big numbers.

Man o war
Velella Velella sighting… Jellywatcher 51.940 / -5.210

Found on Abermawr beach in Pembrokeshire, a single standa

Velella
Fried-egg-jellyfish MobileAnonymous 39.190 / 9.570 Jellyfish Cotylorhiza tuberculata
Stinging jellies MobileAnonymous 36.850 / -75.980 Jellyfish
Valela MobileAnonymous 45.520 / -1.120

Au moins 500 méduses

Velella
Obzor Jellywatcher 42.820 / 27.880

There are too many jellyfish in Obzor beaches.

Jellyfish
Single Egg Yolk MobileAnonymous 47.670 / -122.420

Seen from a boat out in the bay

Jellyfish Egg Yolk Jelly
Rhizostoma octopus… MobileAnonymous 40.790 / 9.670

Rhizostoma octopus

Jellyfish
Velella Jellywatcher 51.830 / -5.110

Found half a dozen strange looking jelly like creatures w

Velella