Aurora Moon Jelly

Aurelia borealis (fabled)

Sailors swore the northern lights were reflected in these drifting jellies. Any nipping fish will shred its delicate bell.

A peaceful saltwater jellyfish that grows to 15 cm, lives all over the tank and needs 18–24 °C, pH 7.9–8.5 and an aquarium of at least 120 L.

Care at a glance

Water

Saltwater

Temperature

18–24 °C (64–75 °F)

pH

7.9–8.5

Adult size

15 cm (5.9 in)

Aquarium

120 L or bigger (32 US gal)

Temperament

Peaceful

Group size

Fine on its own

Swims

All levels

Diet

Carnivore

Wild home

Legends of the polar night sea

Good to know

• Delicate. Sensitive to poor water quality.
• Bioluminescent. Glows in the dark.

Tank mates

Good company: Clarion Angelfish, Flower Hat Jelly, Leafy Seadragon, Peppermint Angelfish, Seahorse, Wrought Iron Butterflyfish.

Harassed by: Clown Triggerfish, Golden Dwarf Moray, Lantern Anglerfish, Lionfish, Psychedelic Frogfish, Snowflake Moray.

Colours

• Aurora mythic
• Blood Moon mythic

The care values are the ones Aquarius uses, based on how these animals live. Tank mates follow the game's rules: water type, temperature and pH, who can swallow whom, fin nipping, temperament and territory.