Hypnotic footage captures thousands of jellyfish in Pacific ocean

A sea of jellyfish: Hypnotic underwater footage captures thousands of the transparent ocean creatures swarming in the ocean off California

  • Footage shows thousands of brown sea nettle jellyfish gather in Pacific ocean
  • Photographer and sea diver Connor Gallagher spotted them in Monterey Bay
  • The sea creatures come together in the same spot every one or two years 

A sea explorer has filmed thousands of brown sea nettle jellyfish gathering off the American Pacific coast.

Connor Gallagher found a massive bloom of the stinging sea creatures in the Monterey Bay area of California, after he went out to explore the sea with a friend.

Stunning footage shows underwater conclave stretching as far as the eye can see in the warm Pacific ocean.

Connor filmed the sea jellies (Chrysaora fuscescens) on a GoPro held underwater as he drove along in a speedboat.

Long strains of tentacles dangle wildly in the vast open waters, flapping slightly as Connor drives by.

At least one thousand of the slippery creatures can be seen swimming past in the minute-long clip.

Thousands of brown sea nettle jellyfish gathering in Monterey Bay off of California’s coast

‘Every year or two, massive blooms of brown sea nettle jellies arrive in the Monterey Bay in California, USA,’ says cinematographer Connor.

‘My friend and I were out exploring on his boat and we came across a smack that simply infinite.

‘There were jellies as far and as deep as we could see.

‘I deployed my custom-built tow camera housing for my GoPro, and we pulled it behind the boat while we cruised through the smack (of jellies).


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Photographer and sea diver Connor Gallagher spotted them off the coast during a boat trip with a friend

Incredible footage shot on a Go Pro camera shows the sheer scale of the conclave of jellyfish as Connor’s speedboat moves straight through them

When Connor went to retrieve the camer he did manage to take a few stings to his hands, but said the footage ‘was worth the short term ouch’.

The brown sea nettle jellies have very powerful stinging cells – known as nematocysts – and so can deliver a lot of pain if they come into contact with a human. 

Connor has lived to the north to Monterey Bay for the last four years, and previously taught students marine biology on Catalina Island.

The brown sea nettle jellies have very powerful stinging cells – known as nematocysts – and so can deliver a lot of pain if they come into contact with a human

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