A marine biologist studies life in the ocean, covering anatomy, physiology, and ecology. In Australia, these scientists work in government labs, universities, and conservation bodies. Their work shapes ocean policy, fisheries rules, and plans for a healthier sea.
The role mixes fieldwork with lab work. Fieldwork may mean scuba diving, ship surveys, or remote sensing to check marine habitats. In the lab, marine biologists use tools to study species genes, water chemistry, and how ecosystems change.
Teamwork is key to the role. Marine biologists work with ecologists, ocean scientists, policy staff, and conservation managers. Many publish research in science journals and speak at conferences.
A science degree, majoring in marine biology, is the starting point. Most research jobs need further study, such as a master’s degree or PhD. Jobs and Skills Australia (2025) forecasts strong demand, driven by a global push for ocean health.
Laura Atkinson is an Account Management and SEM specialist at Course Finder Group with six years' experience in the Australian education sector. She works day to day with universities, TAFEs and independent training providers, which gives her a close view of how courses map to real career outcomes. She writes practical guidance on career pathways, choosing the right qualification and what to expect when moving into a new field.