Jellyfish

Jellyfish are older than all of our ancient reptiles. Scientists believe they first swam in our oceans around 500 million years ago!

  • SEA LIFE, Ocean Invaders

Get closer to our range of jellies!

Dive in to the wonderful world of jellies and discover some of the species you will meet at SEA LIFE London Aquarium! Here you’ll be able to see jellyfish in a whole new light!

Sealife Moon Jellyfish Aurelia Aurita4

Moon Jellyfish

Aurelia Aurita

  • Moon Jellyfish are a common species of found all around the UK
  • They can withstand temperatures as low as 6 and as high as 31 degrees Celsius
  • Their sting is fairly mild
  • Turtles feed on Moon Jellyfish!

Fin-tastic Facts!

Spotted Jellyfish Mastigias Papua Mba

How old?!

Jellyfish are older than all of our ancient reptiles. Scientists believe they first swam in our oceans around 500 million years ago! There are more than 350 different species of jellyfish.

Box jellyfish

From big to small

The Lion’s Mane Jellyfish is over two metres tall – that’s taller than you! Others are as tiny as a pinhead.

Box Jellyfish Tripedalia Cystophora Bielecki

Ouch!

Jellyfish have venomous tentacles that they use to capture their prey. Most jellyfish are harmless to humans, but a few including the Box Jellyfish can cause a painful sting. Some species of baby fish…

800Px Transparent Jellyfish In Aquarium

All around the world

They can be found in all of our oceans all around the world and sometimes in freshwater too!

Upside Down Jellyfish

Upside-down Jellyfish

Cassiopea

  • Upside Down Jellyfish live in shallow waters, lagoons and around mangroves
  • They grow algae in their tentacles to provide extra food
  • They are more vulnerable than species that live in the open ocean or deeper waters due to their proximity to coastal development and pollution
  • They can grow to up 30cm in diameter!

Jellyfish

Japanese Sea Nettle

Chrysaora Melanaster

  • Japanese Sea Nettle Jellyfish have sting that can cause skin irritation and a burning sensation.
  • They are voracious carnivores, eating other jellyfish, copepods, anchovy eggs, larvae and zooplankton
  • Their tentacles can get up to 3 metres long!

Did you know?

Jellyfish Cyanea Capillata

Jelly- what?

Jellyfish aren't actually fish at all. They are part of the same family as anemones!

Cassiopea Jellyfish

Hungry anyone?

Some jellyfish species are edible. This delicacy is enjoyed in countries such as China, Indonesia, Korea, Malaysia, the Philippines and Thailand.

800Px Jellyfish Aqurium

Group time

A group of jellyfish is known as a 'bloom' or a 'smack'

800Px Jellyfish Aqurium

What do jellyfish eat?

Ever wondered what we feed our jellyfish? Or even how we feed them? 

Our jellyfish are fed artemia or brine shrimp multiple times a day. Check out our jelly keeper Luke, daily jellyfish feeding routine. 

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