Diary of a Marine Biologist

4.7

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Author(s)

Anita Thomas

Co-Authors / Illustrators

Sarah Wilkins

Publisher

Walker Books Australia

Genre(s)

Age Range

Release Date

February 03, 2026

ISBN

978-1761602535

Buy This Book

My name is Emma, and I am a marine biologist. A marine biologist is a scientist that studies life in the sea. Did you know that 70 percent of our planet is covered by oceans?

Follow the adventures of a marine biologist for a week, and learn about our magical, mysterious, watery world. Full of amazing facts, incredible creatures, and beautiful illustrations, this book gives you insights into:

Whale monitoring and how these enormous creatures talk to each other
How clownfish populations are increasing with the help of hatcheries
How giant cuttlefish are the chameleons of the sea and communicate by changing their skin color
Discovering a new species of sea snakes
How humans are building reefs to help protect diverse marine life from extinction
How surfing teaches us to ride the waves and understand the ocean

Editor review

1 review

A Fun Exploration into the Ocean

April 28, 2026 (Updated: June 07, 2026)

Overall rating

4.7

Writing Style

4.0

Illustrations/Photos (if applicable)

5.0

Learning Value

5.0

DIARY OF A MARINE BIOLOGIST is a picture book that takes readers along with Emma for a week of her work as a marine biologist. Readers will get to experience the different aspects of work as a marine biologist, while also getting to read Emma’s notes along the way.

The book covers a variety of the different work done by marine biologists. From recording measurements and tracking animals to searching for new creatures. There isn’t a singular focus, rather it’s spread out to allow readers to experience the different facets of marine biology. Readers are given plenty of details about these jobs as well as why they’re so important.

The art is gorgeous. Simple, but beautiful illustrations that bring the creatures and ocean to life. The intricacies of the drawings depend on what is being shown with some drawings having more details than others. Even the notes are illustrated, adding a level of charm to the book.

This picture book is fun and educational, blending the learning in with interesting facts and even showing how Emma winds down after a week of work. For readers who are interested in marine biology, animals, or even just seeing the work other people do; this book may be of interest.

A fun and educational book following a week in the life of a marine biologist, DIARY OF A MARINE BIOLOGST weaves together information, extra facts, and gorgeous art.