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Title Date of sighting reporter Image Lat / Lng Description Type of organism Other type
Tahilla Cove, County… IsabelJ Alt text 51.830 / -9.830

There were several smaller versions of the same kind of j

Jellyfish
Oceanside Harbor Jellywatcher 33.200 / -117.390

Glassy darkish purple and clumpy jellyfish

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
Porpoise/Dolphin in… KelpRat 37.870 / -122.450

Twice observed a porpoise or dolphin at the West end of R

Vertebrate
Jellies on the Jetty in… openhouse 36.810 / -121.790

On our way to open house, we found some jellyfish out on

Jellyfish
Olindias phosphorica in… Medusas_Barcelona 42.260 / 3.170

1 Olindia phosphorica was found in Roses

Jellyfish
Jellyfish swarm near Del… openhouse 36.600 / -121.880

Swarm of sea nettles near Wharf #2 in Del Monte Beach nea

Jellyfish
Jellies near Pajaro dunes… openhouse 36.710 / -121.810

We saw lots of clear jellyfish near Pajaro dunes.

Jellyfish
Physalia physalis in San… Medusas_Barcelona 43.320 / -1.980

500 Physalia physalis collected by the council boat in S

Man o war
Lacanau luminescence Jellywatcher 45.000 / -1.200

Swimming in the sea at night on the 13th and 14th of augu

Other Luminescence
Mnemiopsis leidyi? cmedusa 37.620 / -0.710

Hello. I am in the south of Cabo de Palos, in Spain.

Jellyfish
Aurelia train lucas 49.320 / -122.940

Large numbers of Aurelia labiata drifting with tidal curr

Jellyfish
Brown Sea Nettle Jellies… Jellywatcher Alt text 34.410 / -119.910

Just off of Coal Oil Point on the Goleta coast in Souther

Jellyfish
Crystal jelly, Aequorea… natejaros 33.730 / -118.390

Collected 3 adult aequorea 8/12/10 for the aquarium of th

Jellyfish
Black Jellyfish Jellywatcher 32.810 / -117.250

We were surfing at Torrey Pines State Beach the north end

Jellyfish torrey pines beach
Kayaking with jellyfish… openhouse 36.810 / -121.780

We saw lots of reddish jellies while kayaking near Moss L

Jellyfish
Jellyfish population… Jellywatcher Alt text 47.650 / -122.620

We were on our boat at Brownsville Marina, Washington, an

Jellyfish
Méduses Jellywatcher 45.700 / -1.240

Une trentaine de méduse de 20 à 30 cm de large sur la côt

Jellyfish
Large red jellies on… Jellywatcher 32.660 / -117.160

Large pieces of red translucent jellies washed up on shor

Jellyfish
Blue jellies off Scotland… thepominlaw Alt text 55.590 / -1.670

Hundreds dead washed up along the shore, found two alive

Jellyfish
Big jellyfish on shore… Jellywatcher Alt text 56.040 / -2.840

The shoe in the picture is 8 inches long.

Jellyfish
Poralia rufescens Jellywatcher Alt text 28.760 / -88.370

1444.1 m

Jellyfish
jellyfish by san carlos… openhouse 36.610 / -121.890

9 inches, orange

Jellyfish