Scuba divers are individuals who explore underwater environments using a self-contained underwater breathing apparatus, commonly known as scuba. This equipment allows them to breathe while submerged, enabling them to observe marine life, coral reefs, and underwater landscapes. Scuba diving can be both a recreational activity and a professional pursuit, such as underwater research or salvage operations. To become a scuba diver, individuals typically undergo training and certification through organizations like PADI or NAUI. These programs teach essential skills, safety procedures, and the proper use of diving gear. Divers must also be aware of environmental conservation to protect fragile underwater ecosystems.