Welcome to Dive Log Australasia

Dive Log is the premier scuba diving monthly magazine that provides all the latest scuba news and information from across Australia and the Asia/Pacific region. You can read our monthly magazine free by clicking on the Latest Edition tab, download the iPad application at a low cost of $2.99 or find it at your nearest Newsagent for $4.95. Dive Log is also available at selected dive stores. Each month we look at the key issues that effect us all as divers as well as look at great diving locations in the region as well as the perfect scuba diving holiday destinations. We also review the latest diving equipment and gear and scuba courses and certifications, to ensure you are always up to date with the latest and best things happening in the scuba diving industry.

SHARK IN A BUCKET

By KARA TUCK


ARUENI

By MIKE SCOTLAND

LEATHER JACKETS

By MIKE SCOTLAND

I like to think that fate washed a damaged shark egg on our local beach as my mum, Lynne, worked in a large aquarium for 12 years with marine animals.
It was Easter Sunday, and my family and I were walking along Coledale beach (NSW). Mum spotted something dark drifting in the shallows, walked over to it and exclaimed that it was a Crested Port Jackson Shark egg. Port Jackson Shark eggs feel and look like seaweed, are shaped in a spiralled cone, and have curly strings on the end that tangle in seaweed and sponge. The egg was missing these strings so we suspect that because of the rough seas it must have snapped, causing the egg to wash ashore. Mum opened the end of the egg and saw a little tail flapping inside. It caught us all by surprise! I sprinted back to our house to grab a bucket while my brother held the egg underwater.


On arriving at Bima Airport, I was met by two extremely pleasant Indonesian schoolgirls. They were practising their English and with the smattering of Bahasa Indonesia that I have, we managed to communicate quite well.

Our half hour taxi ride ended at the wharf with the wonderful sight of the forty three metre phinisi , The Arenui, standing proud in the sparkling sea in full sunshine. As we boarded, the friendly crew made us welcome and made us feel like V.I.P.’s.
We settled in and prepared for the first dive next morning.

The first sighting on dive one was a Thorny Sea Horse, Hippocampus histrix. We had seen one in Sydney, believe it or not, a year ago. This dive in Bima Harbour was touted to be a possible challenge to Lembeh by the excellent and highly experienced Trip Director, ‘G’  from Mallorca, Spain. He was right!


More than half of all species of Leatherjackets are found in Australian waters. This makes us the world bio-diversity centre for this family.
Australian waters have incredible bio-diversity with sixty species of Leatherjackets in the family Monacanthidae. I have always found them to be fascinating and many are very photogenic.
Many of them have striking sexual di-morphism. That is, males and females look very different. A good example is the Toothbrush Leatherjacket. The female is quite plain. On the other hand, the male is much more brightly coloured especially in the breeding season. He also has a prominent set of stiff bristles, the ‘toothbrush’ along his side in front of the tail. The plain colour of the female helps her to hide amongst the seaweeds. The brighter colours of the male helps him attract a mate and display his sexual maturity.

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