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Title Date of sighting reporter Image Lat / Lng Description Type of organism Other type
Thysanostoma at Hanauma… Jellywatcher Alt text 21.270 / -157.690

This critter was blown into the bay, and appeared to be h

Jellyfish
Golden Gate Sea Lions KelpRat 37.820 / -122.490

Paddled from Horseshoe Cove to Point Bonita, observed abo

Vertebrate
Orchid Beach Jellywatcher 18.120 / -65.380

Snorkelling and saw a few of these jellys in and around O

Box Jelly
Bioluminescent agae bloom… Jellywatcher 33.760 / -118.120

I noted an especially bright bloom in Los Alamitos Bay ,

Red Tide
Jellyfish sightings on… Bedearing 32.000 / -80.850

15 Cannonball jellies

Jellyfish
Jellyfish sightings on… Bedearing 32.000 / -80.850

1 Moon jelly and 4 Cannonball jellies

Jellyfish
Bioluminescent algae rescue440 39.630 / -123.790

Glowing waves and glowing footprints in the sand when dis

Red Tide
frozen jellyfish emearns 54.400 / -3.490

went down to the beach this morning and saw lots of froze

Jellyfish
Man o war Jellywatcher Alt text 23.190 / -81.190

In 2010 I went to varadero, Cuba and I saw a lots of man

Man o war
Sea turtle at Green Sand… henry 18.940 / -155.650

Saw a large sea turtle (~ 5 ft) while swimming at Papakol

Other Turtle
Physalia in northern Gulf… KMBayha 30.260 / -88.200

Multiple Physalia sp.

Man o war
Monterey Coast Guard Pier… Jellywatcher 36.610 / -121.890

There are thousands and thousands of small brown jellyfis

Jellyfish
Thanksgiving on Maui Jellywatcher 20.660 / -156.440

A swarm of Portuguese Man-Of-War jellies washed up on Po&

Man o war
Jellyfish sightings on… Bedearing 32.000 / -80.850

1 Cannonball jelly

Jellyfish
Still seeing Aequorea lucas 49.330 / -122.940

Noticed numerous Aequorea sp.

Jellyfish
Jellyfish sightings on… Bedearing 32.000 / -80.850

10 Cannonball jellies

Jellyfish
Cannonball jellyfish Bedearing 32.000 / -80.850

62 Cannonball jellyfish washed up on Tybee Island, Georgi

Jellyfish
Jellyfish sightings on… Bedearing 32.000 / -80.850

2 Cannonball jellies

Jellyfish
Millions of Mitrocoma in… Leo 48.660 / -122.900

Washington State Department of Fish and Wildlife scientis

Jellyfish
Mitrocoma cellularia Leo Alt text 48.540 / -123.010

Still seeing occasional Mitrocoma cellularia ("white

Jellyfish
Jellyfish sightings on… Bedearing 32.000 / -80.850

2 Cannonball jellies

Jellyfish
dead shearwaters Jellywatcher -41.320 / 148.230

Many dead Shearwater birds have washed up on many beaches

Other Shearwater birds
Thousands of dead… lucas 37.750 / -122.510

"More than 10,000 of the gooey invertebrates, each a

Jellyfish
Jellyfish sightings on… Bedearing 32.000 / -80.850

2 Moon jellies

Jellyfish
Pelagia Noctiluca iSoph 48.380 / -4.490

Several pelagia noctiluca in Brest "Château" ma

Jellyfish