AquaCorps—Managing Narcosis :: Flash Photography Underwater Canary Islands Lanzarote Tech GLOBAL EDITION Rebreather November 2011 Number 45 Travel Shark Diving Do's & Don't's Profile Jill Heinerth Wrecks Wanli Treasure EGYPT'S TABA & NUWEIBA Papua New Guinea B17 Black Jack 1TheX-RAY MAG : 45 : 2011 Red Sea COVER PHOTO COURTESY OF JILL HEINERTH DIRECTORY X-RAY MAG is published by AquaScope Media ApS Frederiksberg, Denmark www.xray-mag.com PUBLISHER SENIOR EDITOR & EDITOR-IN-CHIEF Michael Symes, PhD Peter Symes [email protected] Painted Cardinalfish Archamia fucata, Red Sea, Taba, Egypt. Photo by Peter Symes [email protected] SECTION EDITORS PUBLISHER, MANAGING EDITOR Michael Arvedlund, PhD contents & CREATIVE DIRECTOR - Ecology Gunild Symes Scott Bennett - Photo & Travel [email protected] Andrey Bizyukin, PhD - Features Mathias Carvalho - Wrecks ASSOCIATE EDITORS Wayne Fenior - Equipment & REPRESENTATIVES Simon Kong - News, Books Americas & Europe Kelly LaClaire - Whale Tales Arnold Weisz Catherine Lim - News, Books [email protected] Bonnie McKenna - Turtle Tales Cindy Ross - GirlDiver Russia Arnold Weisz - News, Features Andrey Bizyukin, PhD, Moscow [email protected] CORRESPONDENTS Robert Aston - CA, USA Svetlana Murashkina, PhD, Moscow Enrico Cappeletti - Italy [email protected] John Collins - Ireland Marcelo Mammana - Argentina South East Asia Nonoy Tan - The Philippines Catherine GS Lim, Singapore [email protected] CONTRIBUTORS THIS ISSUE Andrew Bell ASSISTANT EDITORS Scott Bennett & REPRESENTATIVES Manel Gomes da Costa UNITED KINGDOM Barry Fowler, PhD Roz Lunn, London Kelly LaClaire [email protected] Catherine GS Lim Simon Lim USA East Coast Rosemary E Lunn Millis Keegan, Fort Lauderdale Jorge Antonio Mahauad [email protected] Alejandro Raul Mirabal Wayne Fenior, Orlando Bonnie McKenna [email protected] Andy Murch Yuri Romero USA Pacific Northwest/Canada Don Silcock Barb Roy, Vancouver Charles Stirling [email protected] Gunild Symes Kelly LaClaire, Oregon Peter Symes [email protected] Carol Tedesco 13 20 29 43 plus... Arnold Weisz ILLU M INATED TR EASU R E : NU W EIBA ON T H E RED SEA TABA ON T H E RED SEA PR O F ILE : EDITORIAL 3 USA West Coast Lawson Wood WANLI SH IP wr ECK EGYPT EGYPT JILL HEINE R T H NEWS 4 Matthew Meier, San Diego BY A R OL EDESCO BY H A R LES TIRLING BY ETE R Y M ES BY ONNIE C ENNA [email protected] Contacts page: C T C S P S B M K WRECK RAP 13 Xray-Mag.com TRAVEL NEWS 20 ADVERTISING UNITED KINGDOM International Sales Rep 47 57 87 EQUIPMENT NEWS 41 Rosemary E Lunn, London Arnold Weisz HAVE REB R EAT H E R LANZA R OTE B17 BLACK JACK WR ECK MARINE MAMMALS 54 [email protected] [email protected] WILL TR AVEL CANA R Y ISLANDS PAPUA NE W GUINEA CEPHALOPODS 66 USA West Coast French speaking territories BY JO R GE A. MA H AUAD BY CH A R LES STIRLING BY DON SILCOCK SHARK TALES 68 Matthew Meier, San Diego Mathias Carvalho [email protected] [email protected] TURTLE TALES 73 Not yet subscribed to PHOTO NEWS 86 SUBSCRIPTION columns... X-RAY MAG? Sign up now! X-RAY MAG International Edition in English is FREE It’s FREE! QUICK! EASY! To subscribe, go to: www.xray-mag.com 68 75 80 click here... DO'S & DON 'T'S: TEC H TALK : AQUA CO R PS UW PH OTO & VIDEO : COVER PHOTO: Jill Heinerth cave diving RESPONSIBLE SH A R K DIVING MANAGING NA R COSIS FLAS H PH OTOG R AP H Y photo courtesy of Jill Heinerth BY ANDY MU R C H BY BA rr Y FO W LE R , PHD BY LA W SON WOOD (CONTINUED ON PAGE 4) 2 X-RAY MAG : 45 : 2011 Amsterdam Barcelona Cape Town Copenhagen Kuala Lumpur London Moscow Orlando Oslo Paris Singapore Tacoma Toronto Vancouver Warsaw Editorial HKPFPGY It matters! A string of U.S. states have now If the results from various marine passed legislation prohibiting parks and no-take zones are 'KTGEVKQP shark finning and/or shark fin anything to go by, we will also products. see various shark populations— HQT[QWTDWUKPGUUUWEEGUU alas probably not all—pulled A number of nations have back from the brink of extinc- either created huge shark tion. In some protected zones, sanctuaries or outlawed shark it has been remarkable how finning. fast ecosystems have rebound- ed and re-established them- abound in DEMA’s comprehensive educational programs — presenting And the numbers are growing. selves after they were left to tested strategies, insights and innovative ideas certain to take your recover. 1(:,'($6 business in new, successful directions. After being vilified for dec- ades as savage sea monsters This does not mean it is a uni- to the dive community while you learn from experts and peers, that were better off being versal solution. With a world 1(:EQPPGEVKQPU applying their ideas and successes to YOUR challenges. killed, sharks are now generally population that has just passed appreciated and recognised 7 billion—all of whom need to as indispensable parts of a be fed—the competition for resources for boosting your bottom line with show-only promotions healthy ocean ecosystem— resources, including those in 1(:TGXGPWG and specials offered by hundreds of exhibitors. DEMA Show provides to the point that even victims the ocean, it's only going to a generous return on your investment in time AND money. of the rare shark attack now get harder to protect natural plead for the animal to be resources against unsustainable spared and not culled. exploitation. These encouraging develop- That is where we come in. The ments are very much thanks value of a shark, a manta or to the relentless campaigners, any other big creature in the grass roots movements and ocean in terms of income from NGO's who swayed public tourism is a hundred, if not, a opinions as well as the politi- thousand fold that of the meat cians and legislatures who took value. action to protect these mag- nificent creatures. So, go diving and help protect '(0$6+2: the oceans. In other words, if you lent any 1QXGODGTrq2TNCPFQ)/QTKFCqYYYFGOCUJQYEQO support to these efforts, it is thanks to you! — The X-RAY MAG Team Make plans to attend or exhibit, visit DEMAShow.com for more information. 3 X-RAY MAG : 45 : 2011 EDITORIAL FEATURES TRAVEL NEWS EQUIPMENT BOOKS SCIENCE & ECOLOGY EDUCATION PROFILES PORTFOLIO CLASSIFIED “The consequences of overfish- ing can be severe to the ecosystem from the deep and may take decades to recover.” —Dr Nick Graham of the ARC News edited Centre of Excellence for Coral by Peter Symes & Catherine GS Lim Reef Studies and James Cook NEWS University World-first discovery may help save coral reefs An international team of scientists has achieved breakthroughs They published their find- olds like increased seaweed form poorly, with some com- in the understanding of fishing sustainability on coral reefs, which ings in the Proceedings of growth and urchin activity, pletely collapsing. No-take the National Academy of as well as a decline in coral marine reserves where fish- could play a vital role in preventing their collapse. Sciences, USA, describing cover and the reef’s species ing was prohibited were the See Why More Divers how overfishing can gener- richness begin to show. The best performers and tended Choose Sunset House ate a predictable sequence actual loss of hard corals to maintain key ecosystem of events that lead to the then follows; at this stage, it processes, such as preda- For Their Dive Holiday! collapse of reef ecosystems. might be already too late to tion. Their research offers a vital save the reef. “But people depend on tool for managing corals At 300 to 600 kilos/ha, reefs for their livelihoods, so reefs and tropical fisheries, there appears to be a win- we can’t prohibit fishing eve- providing clear targets for dow of what is known as rywhere,” noted Dr Joshua sustainability to help reef maximum sustainable yield; Cinner, also from the ARC fisheries support the very but when the fish stock drops CoE. However, he added resource they depend on. below 300 kilos/ha, that’s that other regulations restrict- “Our work shows that as when the reef is in trouble. ing gear or the types of spe- fish biomass – the number Dr Aaron MacNeil from the cies that can be caught can and weight of fish living on Australian Institute of Marine also help maintain biomass. a reef – declines due to fish- Science adds: “This informa- “These regulations are ing pressure, you cross a tion is critical to policy mak- often more palatable to fish- succession of thresholds, or ers and reef managers: if fish ermen than no-take closures tipping points, from which stocks can be maintained at and consequently receive Special Discounts for it is increasingly hard to get a certain level, the chanc- higher levels of support and X-Ray Magazine back,” explained Dr Nick es of retaining a sustain- compliance.” Graham of the ARC Centre able fishery and a healthy The researchers pointed Readers! of Excellence (ARC CoE) reef system are greatly out their work was carried for Coral Reef Studies and improved.” out on Indian Ocean coral James Cook University. The effectiveness of dif- reefs, and needed to be Follow URL Below! The study shows that in ferent reef management confirmed in the Pacific and well-protected areas, there schemes at maintaining reefs Great Barrier Reef regions. are 1,000 to 1,500 kilos of reef within or above this sustaina- However, they were con- www.sunsethouse.com/xray fish of various species per bility window was also evalu- fident similar relationships hectare of coral reef.