Acromitus flagellatus

River Jelly, a reference photo
Photo: Gerard Chatier · CC BY 2.0 (licence)

Acromitus flagellatus is a species of jellyfish in the Catostylidae family, suborder Dactyliophorae. It was discovered in 1903 by Otto Maas in the Malay Archipelago, and is closely related to Nemopilema nomurai and Rhopilema esculentum Other species in the genus Acromitus include A. hardenbergi, A. maculosus, A. rabanchatu, and A. tankahkeei. A. flagellatus get their name from their long flagellum and their oral arms that are as about as long as the diameter of their bell, while other species in the genus, like A. hardenbergi, have oral arms that are about half the length of their bell.

From Wikipedia, under CC BY-SA 4.0.

Is it venomous or poisonous?

We have no record of River Jelly being toxic, poisonous or venomous. That is not proof that it is safe. Never eat, touch or handle a wild plant, mushroom or animal on the strength of an identification; ask someone qualified.

Easily confused with

Classification

Kingdom
Animalia
Phylum
Cnidaria
Class
Scyphozoa
Order
Rhizostomeae
Family
Catostylidae
Genus
Acromitus
Species
Acromitus flagellatus

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