This page shows a table of sightings. If you select sorting and filter options, the results will be limited to those which match

To download sightings in tabular format, configure the filter options, then click the CSV button at the bottom of the page. If you intend to derive work from the data, or to publish it, please acknowledge jellywatch.org, and let us know what you are up to.

Enter a comma separated list of user names.
Title Date of sighting reporter Image Lat / Lng Description Type of organism Other type
Pelagia… Jellywatcher 21.470 / -157.820

Purple jelly, size of palm.

Jellyfish
Hawaiian Jelly… Jellywatcher Alt text 21.460 / -157.800

I found this jelly while snorkling at night in a shallow

Jellyfish
Jellyfish… mobile_jellywatcher Alt text 21.260 / -157.800 Jellyfish
Blue button… Jellywatcher 21.250 / -157.790

Seen it floating off black point in honolulu Hawaii

Other Blue button jelly
Kaneohe Bay,… Jellywatcher Alt text 21.410 / -157.780

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

Jellyfish
Maybe… Jellywatcher 21.430 / -157.780

Found in Kaneohe Bay, Oahu.

Jellyfish
Thysanostoma,… Jellywatcher 21.260 / -157.750

Was asked to submit

Jellyfish
Blue Button… Jellywatcher 21.400 / -157.740

Porpita porpita

Other Blue Button
Kailua Beach man o'… vmfranck 21.410 / -157.740

man o' war (21), and bubble snails that eat them (2)

Man o war Physalia
Kailua Portuguese Man (… Jellywatcher 21.410 / -157.740

Two small PMoW drying at high water mark found at Kailua

Man o war Physalia
Kailua beach… mobile_jellywatcher Alt text 21.400 / -157.730 Man o war
Portuguese Man… Jellywatcher 21.350 / -157.720

Portuguese Man-o-War found on Bellows Beach on Oahu.

Man o war
Kailua Beach Oahu Jellywatcher 21.400 / -157.720

I saw a small silver dollar size blue jellyfish at the Ka

Man o war
3 Man O War at… Aloha Outdoors 21.400 / -157.720

I saw three Man O War this week at Kailua Beach Park.

Man o war
KAILUA BEACH… LiliKai 21.400 / -157.720

WAS STUNG ON THE TOP OF MY RIGHT HAND BY ONE SMALL BLUE B

Man o war
Minute medusae… Jellywatcher 21.400 / -157.710

On 7/29/2023, while snorkeling in open, clean seas off th

Jellyfish Turritopsis, aka "eternal jellyfish"
Bioluminescence… Jellywatcher 21.390 / -157.710

Small bioluminescent creatures washing up on the shore, g

Other unkown
Pacific manowar… jsramberg Alt text 21.390 / -157.710

Small, iridescent, clear, oval ballon-like floats with on

Man o war siphonophore
Lots of jellyfish mobile_jellywatcher 21.380 / -157.710 Jellyfish
Bad sting from… openhouse 21.340 / -157.700

a few tentacles stung my fingers.

Man o war
Mystery in… angel Alt text 21.250 / -157.700

Thysanostoma??

Jellyfish
Large… mobile_jellywatcher Alt text 21.270 / -157.700 Jellyfish
Stung at… Jellywatcher 21.330 / -157.700

Wading in two feet of water at Bellows Beach in Oahu.

Man o war
Hundreds of… Jellywatcher 21.350 / -157.700

Renting our Waimanalo beach home last week, 10/6/13 - 10/

Man o war
Thysanostoma… Jellywatcher Alt text 21.270 / -157.690

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

Jellyfish