Occupation
Marine biologist
Marine biologists study organisms that live in the sea and the habitats that support them, from plankton and coral to fish stocks and marine mammals. Fieldwork can involve boats, diving, or shore surveys, but a great deal of the role is sample processing, data analysis, and writing. Work often connects to fisheries management, conservation, or aquaculture rather than pure research.
Also known as: Marine ecologist · Fisheries biologist · Aquatic biologist
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Occupation content
Part of Natural sciences and research
A visual day in the work
What the work involves
Plan and carry out surveys of marine species, habitats, or water conditions
Collect and process samples, including sorting, identification, and preservation
Tag, track, or monitor populations and record observations systematically
Analyse survey and monitoring data to assess population or habitat condition
Write reports and advice for conservation bodies, fisheries managers, or regulators
Follow diving, vessel, and animal handling safety and ethics requirements
Entry-route stepper
How people commonly enter
A degree in marine biology, zoology, or a broader biological science
Postgraduate study, which is common for research and specialist advisory roles
Field or laboratory technician posts, aquaria, or fisheries observer work as entry points
Volunteer and seasonal survey experience used to build practical field skills
Typical training: Postgraduate or professional degree
Licensing: Certification common, not usually required
Work-context map
Typical work context
- Outdoors
- Involves travel
- Physically active
- Team based
- Lab or workshop
- Varied work
Outdoors · Involves travel · Physically active · Team based · Lab or workshop · Varied work
Related interests
- Investigative (analytical)
- Realistic (hands-on)
Investigative (analytical) · Realistic (hands-on)
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