Barrel jellyfish

Rhizostoma pulmo

Its mushroom-shaped bell can grow to the size of a dustbin lid

The bottom edge of the bell is fringed with violet, and this contains the jelly’s sense organs

Below are eight arms containing small, stinging tentacles which deliver food to hundreds of mouths

Barrel jellyfish

Rhizostoma pulmo

The bottom edge of the bell is fringed with violet, and this contains the jelly’s sense organs

Below are eight arms containing small, stinging tentacles which deliver food to hundreds of tiny mouths

Its mushroom-shaped bell can grow to the size of a dustbin lid, sometimes shaded in yellow, pink or blue

Barrel jellyfish

Rhizostoma pulmo

The bottom edge of the bell is fringed with violet, and this contains the jelly’s sense organs

Below are eight arms containing small, stinging tentacles which deliver food to hundreds of tiny mouths

Its mushroom-shaped bell can grow to the size of a dustbin lid, sometimes shaded in yellow, pink or blue