411 Dive Log Australasia April 2025

MARINE BIOLOGY IN THE WILD: A FANTASTIC RESOURCE FOR DIVERS

HOW TO MAKE BEST USE OF THIS VERY SPECIAL BOOK.

Open Marine Biology in the wild at the Octopus page Read the chapter on Octopus. Learn about thinking skin with light receptors embedded in it. below: Octopus hunting at night in PNG

Go for a dive. Say you find an octopus. The heart of adventure is about wildlife encounters. Observe closely. e.g. The Sydney Octopus below has two rows of suckers on each arm. Add one or two facts to your dive log.

Knowledge leads to wonder which leads to more enjoyment from each dive. below: The largest Blue Ring Haplochlaenia lunare displaying yellow early warning colour and next level warning ... Blue rings!

Read it again. Take it in. Memorize the content. Develop your mastery. Polish it with thought so you internalise it. It does take effort! Below: Sydney Blue Ring with egg strings.

The biology and behaviour of octopuses is explained simply, with well researched knowledge that maybe you might get from the internet after many, many and many more hours of research. Here, it is all done for you distilled and condensed. It is a service to the dive industry. It is a must for Dive Instructors, Dive Masters and Dive Guides. You can share this knowledge with the divers that you are guiding or teaching and add value to their diving. It will definitely make you a better instructor. Your students will love you for it!

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DIVE LOG Australasia #411 April 25

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