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Title Date of sighting reporter Image Lat / Lng Description Type of organism Other type
Lion's… MEValle127 37.280 / -76.350

We found a small lion's mane jellyfish in the water

Jellyfish
sighting of a… alchemy149 43.260 / 6.600

my wife had a sailing class with her students this mornin

Jellyfish
Rhizostoma… Jellywatcher 43.160 / 5.610

I saw a Rhizostoma pulmo (name found in Internet) while s

Jellyfish
Red Tide Jellywatcher 47.730 / -122.650 Red Tide
San Pellegrino… Jellywatcher 42.450 / 9.540

big blue jellyfish

Jellyfish
Jellywatcher -35.100 / 20.300

Whilst steaming at approximately 12 knots in the area bet

Other Bioluminescence
Bloom at the… Jellywatcher 37.480 / -122.470

I was out surfing the jetty and a large bloom of brown Je

Jellyfish
Jellywatcher 17.970 / -66.920

While in Puerto Rico, we stayed at Parador Guanica 1929.

Red Tide
Clean Gogreenman 33.670 / -78.900

Strangely jellyfish-less beach, right after jellyfish sig

Clean sea
Clean sea Jellywatcher 43.330 / 5.170 Clean sea
port aransas… Jellywatcher 27.830 / -97.050

Small man o war all up beach port aransas

Man o war
Jellyfish… Jellywatcher 51.170 / -4.210

100's of jelly fish all over woolacombe beach some a

Jellyfish
Grand Ands Bay… cpile 12.000 / -61.800

Isolated Jellyfish.

Jellyfish
Group of 3 and… Jellywatcher 44.140 / 9.650

First we spotted 3 jellyfish about the size of an adult h

Jellyfish
Saw a few in… Jellywatcher 38.810 / -76.120

Scattered Crysaora seen

Jellyfish
siphonophores… Jellywatcher Alt text 36.970 / -121.900

wind sailor?

Jellyfish
Blue whales!… WhaleTales Alt text 32.750 / -117.290

2 blue whales spotted today off San Diego.

Vertebrate Whale
Anacapa Island… Jellywatcher 34.020 / -119.390

Seen off Anacapa Island

Jellyfish
Chrysaora… kiwifruity 48.860 / -125.160

Purple-red tentacles of Chrysaora colorata encountered wh

Jellyfish
Medium sized… kraskoff 36.610 / -121.890 Other Ctenophore
Ctenophores kiwifruity 48.860 / -125.160

Beroid (predatory with a large mouth), lobate, and spheri

Other Ctenophores
Comb jellies… kiwifruity 48.860 / -125.160

Beroids (predatory ones with big mouths), lobate, and sph

Other Ctenophores
First Aurelia… lucas 49.320 / -122.940

Did a 56-minute dive at a max.

Jellyfish
Moon and Cross… jenwill0606 48.650 / -123.390

in the Port of Sidney Marina at nighttime

Jellyfish
Man o War! Claire Laffan 33.890 / -78.440

I found a small, dead Man o War "jellyfish" tan

Man o war