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Title Date of sighting reporter Image Lat / Lng Description Type of organism Other type
Box Jellyfish in Koh Mak… Thailandboxjellyfish 11.820 / 102.480 Box Jelly
Mastigias in Kaneohe Bay… jellyhunter Alt text 21.510 / -157.830

Old sighting from 2007, only found one in the north part

Jellyfish
pelagic jellyfish off… Jellywatcher 19.460 / -156.000

Thysanostoma sp., probably Thysanostoma flagellatum, acco

Jellyfish
Pink and purple jellies… openhouse 18.450 / -64.650

Gorgeous! Lots of them in the water.

Jellyfish
Versuriga anadyomene Jellywatcher Alt text -16.610 / 145.970 Jellyfish
Maybe mastigias? Jellywatcher 21.430 / -157.780

Found in Kaneohe Bay, Oahu.

Jellyfish
Lake Jellies? Jellywatcher 42.820 / -71.530

I worked at a summer camp a few years ago as a lifeguard/

Jellyfish
Massive blue jelly at… Jellywatcher Alt text 52.720 / -4.060

We were paddling in the sea in Wales, UK and came across

Jellyfish
Salp chains near Aqaba… Jellywatcher Alt text 29.530 / 35.010

Salp chains, Aqaba Jordan free floaters 10,000+ in cluste

Other salps
Salp chains in the Red… Jellywatcher Alt text 28.000 / 34.470

Salp Chain in the straits of Tiran (Cyclosalpa)

Other Salp
Ctenophores galore mucktopus -2.170 / 130.460

Lots of ctenophores and salps

Other Ctenophores and Salps
Very Large Jellyfish… Jellywatcher 36.760 / -121.960

Sailing a Hobie 20 from Santa Cruz to Moss Landing we sa

Jellyfish
Swimming in the South… Ambrebalte 21.070 / 109.110

The first time I encounter a Jellyfish was by being touch

Jellyfish
Pink Sea Critter Jellywatcher Alt text 55.340 / -131.640

I saw two of these on the same day in the same area.

Other unknown
Jelly fish in island lake… Jellywatcher Alt text 2.150 / 118.530

on a scuba diving trip to Nabucco Island in Indonesia we

Jellyfish
Kaneohe Bay, Oahu,… Jellywatcher Alt text 21.410 / -157.780

I found this very large jelly fish on the shore in Kaneoh

Jellyfish
Chrysaora hysoscella and… Jellywatcher 49.890 / -6.340

On the beach the tide was red and loads of washed up jell

Red Tide
Large aggregations of… beroe 54.220 / -132.070

During marine mammal and ocean sunfish surveys off of Van

Jellyfish
Aurelia in Japan 2004 beroe Alt text 35.320 / 139.650

Large drift-rows of moon jellies in the harbor of the JAM

Jellyfish Aurelia
Alve with Jellyfish openhouse 36.850 / -121.810

Lots of small clear jellies and nudibranchs (purple and y

Jellyfish
Many jellyfish in… Jellywatcher 57.280 / -5.720

It was quite remarkable, many many (easily hundreds) jell

Jellyfish
Velella from 2003 beroe 37.330 / -122.400

Reported by Mark D: The beach was littered with thousands

Velella Velella
PYROSOMA mucktopus -8.780 / 119.420

Thousands of pyrosoma in water all day long- cold water u

Other Salps
Chilpo Green Beach South… Jellywatcher 36.150 / 129.390

This is an ancient sighting, but interesting enough to me

Jellyfish Purple people eaters?
Thimble jellies mucktopus 1.600 / 124.780

mats up to 0.3m thick drifting past all day

Jellyfish