Nature & animals · Space & science

What does a
marine biologist do?

Studies life in the sea, from tiny plankton to whales.

A career guide for curious students · Grades 3–12

Illustration of a marine biologist at work
Explore the everyday work behind this career.

A day in the life

Dives or sails to collect data, studies animals and coral, and works to protect ocean life.

Skills to practise

Observation, swimming, patience, curiosity.

How to explore this path

A biology degree, then specialised study.

Training, qualifications and professional rules vary by country. Check current local requirements with a teacher or careers counsellor.

School subjects & interests

Marine Biologist connects with Biology. You may enjoy this work if you like outdoors.

TRY A LITTLE OF THIS CAREER

A hands-on activity

Draw a food chain of an ocean animal and what it eats.

Ask an adult to help. Follow the safety notes in the activity. Print this activity or save it as a PDF in your chosen language. Downloadable PDF files are in English.

For younger explorers: a simpler explanation

What do they do?

Marine biologists study fish, whales, coral, and everything that lives in the sea.

What helps?

Loving the ocean and watching closely.

Learning about the path

You study biology at college, then do ocean research.

Questions to explore next

Related careers to discover

My exploration notebook

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