Crustacean Cardioactive Peptide (CCAP) is widely studied for its role in regulating physiological processes in crustaceans and other arthropods. It is primarily known for its cardioacceleratory effects, increasing heart rate and enhancing circulation, which is crucial during molting, a critical and energy-demanding phase in the life cycle of crustaceans. CCAP also plays a significant role in ecdysis, the process of shedding the old exoskeleton, by coordinating the behavioral and physiological changes required for successful molting. Beyond crustaceans, CCAP has been found in various insects, where it influences behaviors such as locomotion and reproduction. Its conserved structure and function across species make it a valuable tool in neuroendocrinology research, particularly in understanding the regulation of rhythmic behaviors and stress responses. Additionally, CCAP has potential applications in aquaculture, where it could be used to improve growth and survival rates of commercially important species by optimizing molting and stress management.