Living Waters


Any view in any direction reveals a myriad of life forms, so varied in size, colour, and appearance, that even the water seems to live.

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Seeing is Believing : An Affectionate Shark

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For the first time, affectionate behaviour in a shark has been documented. Jim Abernethy, of Palm Beach in Florida, filmed his reunion with a tiger shark after a separation of two years. Abernethy, owner and operator of Scuba Adventures in Florida, had gained the shark's trust through gentle touches, initially to remove five hooks from her mouth. Since 2003, he has been using this method to remove hooks from many different species of sharks, as described in this former article about him, here. The sharks he helped responded by cooperating, and would return for more affection as is seen so clearly in his video with this tiger shark. Abernethy's achievement was only possible because of his dedication to getting to know these mysterious and very unusual animals, while spending so much of his time on location where he could see them almost daily. As the first dive operator to show that sharks are peaceful animals, Jim always treated them with respect and affection. He spend...
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Letter to the Discovery Network

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To the Discovery Network: Members of our Internet shark discussion forum, SHARK-L, have been asked by your marketing representatives to help promote your famous Shark Week sequence. This letter, signed by list members and friends, is our formal response to the request from your grass roots agency, New Media Strategies, for our support of the programming. How can we support Discovery Channel when we are fighting for shark conservation, and its biggest obstacle is the monster image given to sharks by the media, including Shark Week programs? Further, some of us who have been directly involved in the production of your documentaries feel disgusted at the way that our interviews were censored and our words twisted around. Our group is comprised of scientists, researchers, educators, media companies, and many NGO's, lobbyists and others. In aggregate we represent a strong network of influence that can help or hurt the efforts of any Shark related programming or initiatives. In...
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On the gestation period of the blackfin reef shark, Carcharhinus melanopterus in waters off Moorea, French Polynesia

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Originally published in the Journal "Marine Biology" at: http://link.springer.de   Abstract Underwater visual and photographic observations, over a four year period, monitored the presence of mating wounds on female Carcharhinus melanopterus . Mating begins in November and continues until the end of March as each female follows her own temporal cycle. Correspondingly, parturition begins in September and continues until January. Each female again mates 1.5 to 2.5 months after parturition, thus completing an annual reproductive cycle. The gestation period is 286 to 305 days, with slight individual differences. All resident sharks under observation followed this pattern. Evidence of reproductive events presented by transient females conformed with the pattern of the residents. Introduction The few studies postulating a gestation period for the reef blackfin shark Carcharhinus melanopterus have varied greatly in their conclusions. Based on an examin...
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