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Nature Marine Life

A Field Guide to Nudibranchs of the Pacific Northwest

by (author) Rick M. Harbo

Harbour Publishing Co. Ltd.
Initial publish date
Mar 2010
Marine Life, Reference
  • Pamphlet

    Publish Date
    Mar 2010
    List Price

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Recommended Age, Grade, and Reading Levels

  • Age: 9
  • Grade: 4


Sometimes called the most colourful creatures on earth,
nudibranchs are a type of shell-less marine snail that capture the attention of scuba divers, snorkelers and tidepool-gazers with their bizarre, ornate body forms and incandescent colouration.

There are over 3,000 species worldwide and some of the most spectacular specimens are native to the temperate waters of the Pacific Northwest. A diver of many years' experience, Rick Harbo presents a brilliant guide to the most notable specimens found in local waters. This durable, water-resistant 8-fold pamphlet identifies more than 50 of the most common species from California to Alaska and is an ideal companion on visits to the sea as well as a beautiful addition to the home library.

About the author

Rick M. Harbo, BSc, is the author of the bestselling Tidepool and Reef (Big Country Books, 1980), Shells and Shellfish of the Pacific Northwest (Harbour Publishing, 1997), Pacific Reef and Shore (Harbour Publishing, 2017) and the award-winning Whelks to Whales (Harbour Publishing, 2011). Harbo is a diver and a retired senior marine biologist with Fisheries and Oceans Canada. He currently volunteers as a research associate with the Royal BC Museum. Harbo lives in Nanaimo, BC.

Rick M. Harbo's profile page

Librarian Reviews

A Field Guide to Nudibranchs of the Pacific Northwest

A nudibranch is a type of shell-less marine snail. There are over 3,000 species worldwide, and some of the most spectacular specimens reside in the Pacific Northwest. This colourful, water-resistant 8-fold pamphlet identifies 52 local nudibranchs. The introduction includes a definition of nudibranchs, information about their predators, defense strategies, food, habitat, and detailed information about their bodies. We learn that the Hooded Nudibranch smells like water melon; the Cedar-scented Dorid smells like freshly cut cedar. Some nudibranchs save their victims’ stinging capsules to use on their own predators. Two large, detailed labelled drawings identify nudibranch body parts. The 52 detailed colour photo graphs present the nudibranchs according to colour and body structure within their scientific classification.

Source: The Association of Book Publishers of BC. BC Books for BC Schools. 2010-2011.

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