Marine biology concerns the study of marine life in the ocean as well as in saltwater environments such as wetlands, estuaries, creeks, bays, and inlets. Marine biologists study plants, animals, and the water itself in order to better understand the relationship between organisms and their environment.

Due to the numerous countries within Oceania, work occasions and work permit laws differ greatly, with data on opportunities in some nations being limited. Australia and New Zealand are the most advanced countries in the area.

A bachelor's degree is given to students who fulfill the necessary requirements given by the college or university they are attending. The requirements include three to seven years of focus on a subject, typically referred to as a major or concentration.