Marine Biologist

A marine biologist is someone who studies life in the ocean and other salty environments. They investigate all kinds of marine creatures, from tiny microscopic organisms to massive whales, and how these creatures interact with their surroundings. Marine biologists have a cool and important job that helps us understand the ocean and protect it for the future. Whether they’re diving with sharks or studying tiny plankton under a microscope, they’re always learning new things about life underwater.

Here’s a breakdown of some of the things they do:

1. Studying different kinds of ocean life, whether it’s fish, sharks, sea turtles, coral reefs, plants, or tiny plankton. They look at how these creatures live, what they eat, how they behave, and how they adapt to their environments. They get out into the ocean collecting samples and observing animals in their natural habitat.

2. Analysing the samples they collect from the ocean in a laboratory. This could mean studying the water for pollution levels, looking at animals under a microscope, or examining the DNA of different species to learn more about them.

3. Finding ways to protect endangered species and keep marine ecosystems healthy. They study how things like pollution, overfishing, and climate change are affecting the oceans and come up with solutions to help.

4. Sharing their research to help others understand the ocean better. They may write papers, give presentations, or talk to students and communities about how to protect marine life and why it matters.

In the UK, the starting salary for a marine biologist tends to be around £18,000 to £24,000 per year. As you gain experience, the salary can increase to between £25,000 and £35,000. Experienced marine biologists, especially those in research, academia, or high-level roles, can earn between £40,000 and £60,000 per year, or even more in specialised positions. These figures can vary depending on experience, education, and the type of employer - government agencies, conservation groups, private companies, or universities - and the specific role within marine biology.

Useful subjects include biology, chemistry, maths, and geography.

If you want to become a marine biologist, here’s a simple guide to get started:

1. Get the right qualifications - focus on biology, chemistry, and maths at GCSE and A-level, geography can help too. At university aim for a degree in marine biology, biological sciences, or environmental science. A Master’s or PhD isn’t essential but can help you to stand out for research roles.

2. Gain experience – volunteer with marine conservation groups, aquariums, or wildlife organisations. Apply for internships to get hands-on experience and build connections. Get involved in research projects or field trips during university.

3. Develop key skills - many marine biologists are certified divers. Look into getting a diving qualification like PADI. Also, learn how to analyse data and use research software like R or Python, and attend marine biology events to meet professionals and grow your contacts.

4. Stay informed - keep up with marine biology news and research by reading journals, following organisations like the Marine Conservation Society, and attending workshops.

5. Apply for jobs - after university, look for jobs with government agencies like CEFAS, non-governmental organisations (NGOs), aquariums like the National Marine Aquarium, and universities as a researcher or lecturer.

To research local education and training opportunities that could lead to a career as a marine biologist, visit our partner website >log on | move on>.

Details of relevant degree courses can be found on the UCAS website.

National Marine Aquarium – So you want to be a marine biologist

Prospects – Marine Biologist

What do marine biologists do?

Want to know what it's like to work as a marine biologist? Watch the video in How Did You Get That Job? to find out more.