Common jellyfish

The moon jellyfish or common jellyfish (Aurelia aurita) is a cosmopolitan species present in all seas of the world.

Where to find them?

You can find the common jellyfish in the access building of Oceanogràfic.

General aspects

This species of jellyfish lives at shallow depths in coastal regions.
Its tentacles measure 10 centimetres, and are used to capture and paralyse the zooplankton on which it feeds. It can also trap it with its umbrella, thanks to a sticky mucus which slides it to its mouth.

What do they feed on?

The common jellyfish generally feeds on plankton, small crustaceans, ctenophores and diatoms.
Its predators are sea turtles, ocean sunfish, some whales and other jellyfish.

Danger to humans

Slight sting.