Erumía

Giant jelly considered the mother of all jellies. She's associated as the patron spirit of the village of Mawata in Papua-New Guinea. Extremely potent poison in her tentacles. She appears in dreams of good fortune and gives the local fishermen "lucky things" to ensure a good harvest.

https://abookofcreatures.com/2019/07/05/erumia/ - Sourced 12/17/2020