docosahexaenoic acid: an omega-3 fatty acid with 22 carbon atoms; found in fish (especially tuna and bluefish)
fatty acid: any of a class of aliphatic monocarboxylic acids that form part of a lipid molecule and can be derived from fat by hydrolysis; fatty acids are simple molecules built around a series of carbon atoms linked together in a chain of 12 to 22 carbon atoms
chrysaora quinquecirrha: a type of jellyfish