Christmas Island Crab Conservation

Christmas Island Crab Conservation|||||||
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Protecting the Red Crabs of Christmas Island

Christmas Island Australia has to be one of the most unique diving and land experiences in the world. Rising from the depths of the Indian Ocean, only 350km south of Java, is one of Australia’s most northern outposts.

Often dubbed as Australia’s Galapagos, this hidden gem boasts a relatively high number of endemic species for its size.

IMG 3042
Christmas Island Crab Conservation 8

David Attenborough recollects it was one of his greatest TV moments, being on the island as during the Annual Red Crab migration. 

Each year, as the monsoon arrives (usually October – December) millions of the red crabs appear out of their burrows, using the rains to stay hydrated whilst making their way to the lower terraces of the island for breeding.

IMG 3047
Christmas Island Crab Conservation 9

The jungle floor fills with crabs and the roads become red. It is truly a spectacle for all who visit. 

Once the crabs make their way to the coast for a dip in the sea, many divers can witness this spectacle from the boats. These bonus views of the red crab activity can only be witnessed from the dive vessels in close proximity to the cliffs, where the nearby fringing coral reef hosts most of the spectacular dive sites.

IMG 3048
Christmas Island Crab Conservation 10

100’s of crabs clinging to the cliff, all waiting for the spray of the sea to refresh them from their arduous journey, using the essential ocean salts and minerals to replenish their depleted stores. The sheer numbers of crabs participating in this activity is only possible due to the road management and infrastructure in place to protect them during their journey.

Crab crossings installed in the road, a crab bridge, road closures and raking teams all contribute to ensure the crabs can successfully complete the migration part of their breeding cycle. 

IMG 4921
Christmas Island Crab Conservation 11

Once the crabs have dipped in the sea, they find a mate. When the males have completed their contribution, they begin to make their way home, leaving the female to look after her (up to) 450,000 eggs for the next couple of weeks.

When the moon is in the right phase, and the pre-daybreak tide is right, the females dance to release their eggs to the ocean across a couple of mornings.

IMG 6915
Christmas Island Crab Conservation 12

It is thought that the Whalesharks and Mantas pick up on the pheromones from either the adults or spawn, and swoop past the islands’ 80km coastline, feasting on the nutritious crab larvae.

Those surviving the perilous ocean start to life, return some 3 weeks later at various locations around the island and head to their new home in the jungle, laying dormant for a few years before joining the migration. 

IMG 6319
Christmas Island Crab Conservation 13

Whilst a monsoon season usually keeps other tourists away, scuba divers are treated to warm, clear waters with an abundance of pelagics – and the true spectacle of Christmas Island reveals itself.

For visitors, the Red Crab migration can be a challenging time – road closures, timing outings to reduce carnage at peak migration locations, but the sense of adventure reveals itself to all the scuba divers who visit. 

IMG 6018
Christmas Island Crab Conservation 14

Not many have used garden rakes to clear the roads before shore & boat diving, few have used leaf blowers to drive down roads closed to the public to get to the boat jetty. It becomes a highlight of their experience on Christmas Island – knowing that in their own small ways they’ve contributed to conserving a keystone species that will continue to draw people from all corners of the planet for many decades to come.

Once in the water, witnessing one of the greatest migrations known, you can also relive your earliest childhood memories of watching David Attenborough.

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YouTube Video UEw2X2VCMS1KYWdWbXFQSGV1YW84WVRHb2pFNkl3WlRSZS43RkJGOTAwRDhCOEQ1RjIy

Is This The Best Dive Center Ever? W\@wakatobidiveresort

@sennacher 
#askmark Hi there, regarding DSMBs. I’m no expert whatsoever and normally I deploy it correctly. This weekend we dove on very strong current and I almost lose my breath while deploying it (mouth inflate) as it tangled a bit on my reg. It scared the sh&t out of me so. Is there any “little cylinder” kind of thing in order to keep my reg in my mouth to deploy it safer?  I haven’t tried to do it with my LPI… but asume it would tangle also.
Thanks
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@sennacher
#askmark Hi there, regarding DSMBs. I’m no expert whatsoever and normally I deploy it correctly. This weekend we dove on very strong current and I almost lose my breath while deploying it (mouth inflate) as it tangled a bit on my reg. It scared the sh&t out of me so. Is there any “little cylinder” kind of thing in order to keep my reg in my mouth to deploy it safer? I haven’t tried to do it with my LPI… but asume it would tangle also.
Thanks
Please visit our website for more Scuba news, underwater photography, hints & advice, and travel reports: https://divernet.com/

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🔗 Get 15% Off International eSIM Offer! Use Code: SCUBADIVERMAG
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=================================

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Welcome to Scuba Diver Magazine! We’re passionate about everything related to the underwater world. As a free distribution magazine in Europe, ANZ, and North America, we bring you the latest in scuba diving, from epic dive travel destinations and honest gear reviews to expert advice, news, and inspiring underwater stories.

Whether you’re a seasoned diver or just starting your underwater journey, our content is designed to keep you informed, inspired, and ready for your next dive. Get in, explore, and stay connected to the world of scuba diving with us! Join us and never miss an adventure!

For Business inquiries, please use the contact information below:

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YouTube Video UEw2X2VCMS1KYWdWbXFQSGV1YW84WVRHb2pFNkl3WlRSZS43RDFFNUM4NkUwRDhEMjRD

Is There an Easier Way to Deploy a dSMB?

How Twinset Valves Work In Scuba Diving | Shutdown Drills And Isolator Tips Explained #scubadiving #askmark #twinset

Confused about how to use twinset valves or perform a proper valve shutdown drill? You’re not alone.

In this AskMark episode, Mark explains how valves work on twin cylinders, including how to safely open and close them, how isolator valves function, and why valve drills (also known as shutdown drills or V-Drills) are critical for diagnosing leaks during technical and recreational dives. Please visit our website for more Scuba news, underwater photography, hints & advice, and travel reports: https://divernet.com/ 

Mark also shares tips on muscle memory for reaching your left and right posts, isolator-first vs isolator-last logic, and how to prevent over-tightening or unsafe valve positioning. This guide is perfect for divers transitioning to twinsets, sidemount divers curious about manifold setups, or anyone wanting to improve their gas management skills. 

Let us know in the comments how your instructor taught valve drills and don’t forget to leave your questions using #AskMark to get featured in a future video. 

@mostafametwally1

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=================================

Disclaimer: The information in this video is not intended nor implied to be a substitute for professional SCUBA Training. This video's content, including text, graphics, images, and information, is for general information purposes only and does not replace training from a qualified Dive Instructor.

🔎 Related Phrases:

How Twinset Valves Work In Scuba Diving, Shutdown Drills And Isolator Tips Explained, How Twinset Valves Work In Diving, Scuba Valve Drill Tutorial, Shutdown Drill For Twin Cylinders, How To Use Twinset Isolator Valve, Twinset Manifold Explained, Best Way To Close Dive Valves, V-Drill For Scuba Divers, Twin Cylinder Gas Management Tips, Scuba Regulator Shutdown Steps, How To Practice Twinset Valve Drills, Muscle Memory For Valve Shutdowns

#scubadiving #askmark #twinset #scubavalves #shutdownskills #divingsafety #scubatraining #scubatech #divetips #manifoldvalve #valvedrill #scubagear #divingtechniques #scubacommunity #technicaldiving

How Do Valves Work on Twin Cylinders? #askmark
@mostafametwally1
#askmark hi Mark. Could you do a video on how to deal with the valves and manifold on twin cylinders. It’s confusing to remember which way to open the valves and it’s easy to get wrong particularly in emergencies. Thanks
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We partner with https://www.scuba.com and https://www.mikesdivestore.com for all your gear essentials. Consider using the affiliate link above to support the channel.

The information in this video is not intended nor implied to be a substitute for professional SCUBA Training or recommendations for every manufacturer. All content, including text, graphics, images, and information, contained in this video is for general information purposes only and does not replace training from a qualified Dive Instructor or specific requirements from equipment manufacturers.

YouTube Video UEw2X2VCMS1KYWdWbXFQSGV1YW84WVRHb2pFNkl3WlRSZS5EQkEyODM0NTk2MUFEQkYz

How Twinset Valves Work In Scuba Diving | Shutdown Drills And Isolator Tips Explained

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