jellicles
jellyfish are crazy, crazy animals, for all that they have no brains. they are cnidarians, closely related to corals, and most of them are about 95% water. they drift, they pulse, they bump into things and get stuck or head off in another direction, and yet they also hunt, feed, and reproduce quite successfully. some of them have blue or green zooxanthellae (symbiotic algae) living in their tissues, like corals. seeing them in the water with you can be magical, or panic-inducing, or both. seeing them on display in a tank, however, is mesmerizing.
