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Title Date of sighting reporter Image Lat / Lng Description Type of organism Other type
Red tide in… Jellywatcher 36.800 / -121.870

Brown water for 10 miles offshore, for the last month at

Red Tide
Cotylorhiza… jellywatch 36.030 / 14.210

Cotylorhiza tuberculata, Said to be "dozens" in Xlendi Ba

Jellyfish
Tripedalia… eorellana 26.370 / -80.070

The Box Jellyfish Tripedalia cystophora was first offical

Box Jelly
Luminescent… Yam 20.700 / 70.980

Bio luminescent jelly fish spotted coming in with the wav

Jellyfish
Aurelia in… Jellywatcher 48.570 / -123.510

5-6in diameter; packed side by side and incredibly dense;

Jellyfish
Chrysaora… omgirl 36.750 / -122.100 Jellyfish
Chrysaora… omgirl 36.740 / -122.100 Jellyfish
Pelagia in… jellywatch Alt text 55.230 / -6.400

News report of thousands washing ashore.

Jellyfish
pygmy killer… Jellywatcher 21.070 / -156.320

A pod of Pygmy Killer whales in Hawaii in Maui.

Vertebrate
Box Jellyfish… Tamatree -19.990 / 57.590

I was on holiday in Grand Bay (North) Mauritius and on my

Box Jelly
Jellies in… jellywatch Alt text 29.200 / -80.990

News report mentions both scyphos and box jellies, but un

Box Jelly
Mystery Blob… swordwhale Alt text 37.950 / -75.390

Not even the park naturalists had a clue.

Jellyfish
Purple Jelly… Jellywatcher 36.870 / -121.820

Washed up on the beach near Watsonville, CA.

Jellyfish
Chrysaora… omgirl Alt text 36.710 / -122.000

Chrysaora fuscescens bloom at 10 meters in Monterey Bay

Jellyfish
Aurelia aurita… omgirl 36.710 / -122.000

Aurelia aurita at 10 meters depth in Monterey Bay

Jellyfish
Aequorea sp -… Dalia 19.800 / -87.480

~30 Aequorea specimens were seen in Punta Allen Bay, Mexi

Jellyfish
Red tide in… jellywatch Alt text 37.020 / -76.340

From a news report

Red Tide
Scyphozoa in… jellywatch 28.630 / 121.610 Jellyfish
Physalia in… Jellywatcher 21.270 / -157.690

From a news report.

Man o war Physalia
Red tide off… jellywatch 50.330 / -4.740

Algal bloom (not bioluminescent) which closed shellfish h

Red Tide
Chrysaora in… beroe Alt text 36.800 / -121.790

Large specimens, trapped near the bridge in Moss Landing

Jellyfish
Salps off New… jellywatch Alt text 39.040 / -74.760 Other Salps
Humboldt Squid… jellywatch 49.150 / -125.890 Squid
Large Jellyfish… Alysia Caryl 37.850 / -122.440

Large Jellyfish washed up on the beach at Angel Island, i

Jellyfish
Egg Yolk… wenzel24 47.280 / -122.870

Egg Yolk Jellyfish everywhere, North end of Puget Sound.

Jellyfish