Jellyfish system. Nematocysts, which deliver the sting, are located mostly on the tentacles; true jellyfish also have them around the mouth and stomach. Jellyfish do not need a respiratory system because sufficient oxygen diffuses through the epidermis. They have limited control over their movement, but can navigate with the pulsations of the bell-like body; some species are active swimmers most of the time, while others largely drift. The rhopalia contain rudimentary sense organs which are able to detect light, water-borne vibrations, odour and orientation. A loose network of nerves called a "nerve net" is located in the epidermis. Although traditionally thought
Princess Jellyfish the fifth volume sold about 55,000 copies. Volume six sold over 60,000 copies in its first week, and exceeded 100,000 copies sold in total the week after. Princess Jellyfish "Princess Jellyfish" centers on Amamizukan, an apartment building in Tokyo, where the only tenants are otaku women, and where no men are allowed. While each character has her own particular fixation, the protagonist is Tsukimi Kurashita, whose love of jellyfish stems from memories of her deceased mother taking her to an aquarium and linking the lace-like tendrils of jellyfish to the dresses of princesses. Tsukimi hopes to become an illustrator and