Marine Biologist Kaimātai Koiora Moana

Marine biologists study animals and plants that live in the sea, and how they interact with their surroundings.

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Marine biologists may do some or all of the following:

  • observe and research marine plants and animals in their natural environment
  • identify, classify and preserve different types of marine life
  • find out about population growth and life expectancy
  • study the impact of pollution on marine life
  • plan and run field studies and experiments
  • use computer modelling techniques to predict future events in the marine environment
  • report the results of their studies in papers for science journals and in commercial reports.

Physical Requirements

Marine biologists need to be reasonably fit so they can lift and carry equipment during fieldwork. They also need good eyesight (with or without corrective lenses) for laboratory work.

Useful Experience

Useful experience for marine biologists includes:

  • volunteer work in ecology and conservation
  • diving experience
  • work with plants and animals.

Personal Qualities

Marine biologists need to be:

  • enquiring and observant
  • motivated
  • adaptable and patient
  • able to work in a team
  • skilled at problem solving
  • good at planning and organising
  • good at communicating.

Useful Experience

Useful experience for marine biologists includes:

  • volunteer work in ecology and conservation
  • diving experience
  • work with plants and animals.

Subject Recommendations

A tertiary entrance qualification is required to enter further training. NCEA Level 3 is preferred.

Useful subjects include biology, chemistry, physics, English, and maths with statistics and/or calculus.

Marine Biologists can earn around $60K-$75K per year per year.

Marine biologists with a Doctorate can apply for postdoctoral fellowships at research organisations or universities. These often lead to permanent academic positions.

Marine biologists who have 10 or more years' experience at a research organisation may progress to become:

  • senior research scientists
  • team leaders
  • managers.

Marine biologists may specialise in:

  • fisheries science – studying the life cycle and state of fish stocks
  • aquaculture – farming aquatic plants or animals
  • marine conservation – preserving ecosystems in the sea
  • freshwater biology – studying freshwater ecosystems.
Marine Biologist

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