Crown Jellyfish

Tubes measuring up to 2 cm are inhabited by polyps that reside within chitinous structures, featuring as many as 70 tentacles. These polyps are typically found within sponges such as Desmocella, Mycale, Myxilla, and Suberites, primarily in protected areas. Additionally, this pelagic jellyfish species can reach a diameter of up to 2 cm and possesses a highly potent sting.