''Aequorea macrodactyla'' is a species of hydrozoan in the family

Aequoreidae Aequoreidae is a family of hydrozoans, sometimes called the many-ribbed jellies or many-ribbed jellyfish. There are approximately 30 known species found in temperate and tropical marine coastal environments. Aequoreids include ''Aequorea victoria ...

. It was first described by

Johann Friedrich von Brandt Johann Friedrich von Brandt (25 May 1802 – 15 July 1879) was a German-Russian natural history, naturalist, who worked mostly in Russia. Brandt was born in Jüterbog and educated at a Gymnasium (school), gymnasium in Wittenberg and the Humboldt ...

in 1835.

Description

It can have up to 150 tentacles and grow up to 25 cm.

References

Aequoreidae Animals described in 1835 {{Leptothecata-stub