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Title Date of sighting reporter Image Lat / Lng Description Type of organism Other type
Unknown… Jellywatcher 37.030 / -76.350

Sighted in the Chesapeake Bay at Grandview Nature Preserv

Jellyfish
Julia Jellywatcher 51.610 / -9.700

Hundreds of By-the-wind sailors.

Velella
All the bay… Jellywatcher 36.380 / -75.830

Too many jellyfish to swim

Jellyfish
Possible Lions… Jellywatcher 57.870 / -6.670

Seen in the small harbour below the lighthouse, Eilean Gl

Other Mr.
Box jellyfish… Jellywatcher 36.880 / -121.860

deadly

Jellyfish
Broad Haven… Jellywatcher 51.780 / -5.100

Thousands of Velella Velella on Broad Haven beach today,

Velella
Lion’s Mane in… Jellywatcher 39.310 / -123.800

Went kayaking out of Russian Gulch SP in Mendocino, CA an

Jellyfish
Small… Jellywatcher 38.690 / -75.070

2 cm long sperm-like appearance, orange color at large en

Other Unknown
Mnemiopsis… drcolossus 55.610 / 10.610

abundant Mnemiopsis leidyi, found while snorkeling near s

Other Ctenophore
Velella… Jellywatcher 52.120 / -7.230

velella washed Up on a beach called kilfarassay in waterf

Velella
Velella… Jellywatcher 52.390 / -6.390

abundance both beached and off shore.

Velella
Moon jelly -… Jellywatcher 46.200 / -123.980

I saw one small moon jelly while wading off the Northern

Jellyfish
Cassiopeia sp… Jellywatcher 29.690 / -85.340

3 small (half dollar) sized Cassiopeia on a sandy patch i

Jellyfish
Sighting of… Jellywatcher 36.670 / 24.460

I saw a purple jellyfish, a bit bigger than the palm of a

Jellyfish
Multiple… Jellywatcher 36.320 / -75.810

Hundreds of jelly’s among the waves, some look to be type

Jellyfish
Pink comb… Jellywatcher 36.950 / -76.240

Saw several pink comb jellies along the shore at approxim

Other Comb Jellies
Small Cyanea… Jellykeeper101 47.310 / -122.520

Observed a small Cyanea capillata (bell diameter about 10

Jellyfish
Vellela… Jellywatcher 51.780 / -5.100

Backslash Vellela - hundreds of them.

Velella
By-the-wind-… Jellywatcher 51.670 / -4.330

There were 3 or 4 washed up on the beach today

Velella
Lots on the… Jellywatcher 53.960 / -10.060

There were hundreds of these washed up on gorgeous Keel b

Velella
cannon-ball… Jellywatcher 36.380 / -75.830

Found washed up and in the surf as a hurricane/tropical s

Jellyfish
Jellyfish Jellywatcher 30.270 / -87.570

2 sightings in front of tidewater resort on orange beach.

Jellyfish
Lion’s are… Jellywatcher 41.350 / -71.800

Beautiful August day for an open water swim and one large

Jellyfish
Lion's… Jellywatcher 47.940 / -53.080

Lion's Mane/Arctic Read Jellyfish, found in 4 foot d

Jellyfish
Plastic Naval… Elizabeth Eubanks 30.360 / -87.140

Plastic looking like a jelly

Plastic