420 Dive Log Australasia OCTOBER 2026

engage in spectacular coordinated breaches. I am still jealous of a friend who captured two amorous whales breeching in mid air in perfect formation as we cheered and hollered in excitement. Once baby has grown and become stronger, the migration south to the feeding grounds of Antarctica begins. Bountiful swarms of krill await unless some evil Krill harvesting boat is stealing the livelihood of the whales. ADAPTATION. Adaptation occurs when an organism evolves in a way so that it is better suited to its environment and so it improves its chance of survival. Wrasse, including Parrotfish fish are an excellent case in point. Let’s look at a specific example. The two main types of Parrot fish are coral scrapers and coral biters. The teeth have fused in differing ways. Scientists have discovered great variations in the size and power of jaw muscles. Steep head Parrotfish have stronger jaw muscles than some

Bullet head Parrotfish. This may allow them to

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Dive Log Australasia #420 October ’26

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