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Food Poisoning from Marine Toxins

By Vernon E. Ansdell Seafood poisoning from marine toxins is an underrecognized hazard for travelers, particularly in the tropics and subtropics. Furthermore, the risk is increasing because of factors such as climate change, coral reef damage, and spread of toxic algal blooms. CIGUATERA FISH POISONING Ciguatera fish poisoning occurs after eating reef fish contaminated with toxins such as ciguatoxin or maitotoxin. These potent toxins originate from small marine organisms (dinoflagellates) that grow on and around coral reefs. Dinoflagellates are ingested by herbivorous fish. The toxins are then concentrated as they pass up the food chain to large carnivorous fish (usually >6 lb, 2.7 kg) and finally to humans. Toxins are concentrated in fish liver, intestinals, roe, and head. Gambierdiscus toxicus, which produces ciguatoxin, may proliferate on dead coral reefs more quickly than other dinoflagellates. … Read entire article »

Filed under: Artificial Reefs, Boats, Conservation, Diver, Divetalking, Earth, Education, Emergency/FirstAid, Featured, Fish, ocean, Open Water, Reefs, Reference, Report, Training

NE Florida’s 2nd Annual Lionfish Derby

NE Florida’s 2nd Annual Lionfish Derby

Come on… You know  you love to hate lionfish. To help the state control lionfish population, NE Florida is conducting its 2nd annual lionfish derby. Last years event handed out thousands of dollars in cash awards and more. Be part of this movement. Sign up and join us August 8 for the captains meeting and August 9th for the hunt and harvest. Proceeds benefit the DSAJ (Down Syndrome Association of Jacksonville) and REEF as well as local … Read entire article »

Filed under: Alert, Article, Artificial Reefs, Boats, Conservation, Contest, Diver, Divetalking, Donation, Earth, Events, extinction, Featured, Lionfish, ocean, Open Water, Promotions, Reefs, Reference, Report

DiveAssure Now Offers LIVE-ABOARD RIDER Option

DiveAssure is thrilled to announce a revolutionary and unique new plan that has been designed specifically for liveaboard diving trips- The Liveaboard Rider. The new plan can now be added to our two top dive-travel plans and provide the ultimate coverage for liveaboard trips. This unique insurance product has been designed by DiveAssure to cover scenarios specific to liveaboard trips that are not covered by any other travel insurance program on the market. Adding the new Liveaboard Rider to our Deluxe or Elite programs will further enhance their already superior primary coverage ‎and protect divers against unforeseen scenarios such as:  ·         Missing the liveaboard departure due to airline delays and/or missed connections ·         Lost diving days due to various reasons such as: o    Inclement weather o    Mechanical breakdown of liveaboard vessel o    Mechanical breakdown of air supply … Read entire article »

Filed under: Adv. Open Water, Article, Diver, Divetalking, Education, Featured, Insurance, Open Water, Photography

Narcosis, The Great White Seen at Ginnie Springs

**** FLASH ***** Narcosis the Great White discovered at Ginnie Springs. The individuals who found Narcosis writes: “My son-in-law and I found Narcosis in the bowels of Ginnie Springs.  He attacked us….but we were able to fend him off.  He still calls Ginnie home.” See the clip of the attack. Though Narcosis has thought to have been docile, this is the first report of an attack. Though there is no real danger of injury from Narcosis, she is still considered a safe and friendly Great White and loves to interact with divers. So, should you find Narcosis during your dive within the Ginnie Cavern, snap a photo and send it to Divetalking along with a brief description of the occurance. We will post your find here on Divetalking. … Read entire article »

Filed under: Cavern, Diver, Divetalking, Earth, Education, Featured, Fish, Games, Open Water, Photography, Promotions, Recognition, Report, Springs

The Cave at Blue Grotto

The Cave at Blue Grotto

For many years, Blue Grotto, located in Williston Florida was known for the large and spacious cavern. Through the years, Open Water divers, cavern, cave and students made their way to train, explore and work on their skills. [singlepic id=993 w= h= float=center] Hidden in the back of the property was a a secure pathway leading down to an area closed to all divers. A Cave. When Blue Grotto was sold and transferred to new ownership in 2013, … Read entire article »

Filed under: Cave, Cavern, Diver, Divetalking, Earth, Education, Featured, Open Water, Promotions, Recognition, Reference, Report, Springs

Narcosis, the Great White is found

Narcosis, the Great White is found

This past weekend, Divetalking received texts containing two photographs of a diver, Tom Booker holding the Great White Narcosis. Narcosis was found in the Ginnie Springs. She is the cousin of Deco, the Great White that once lived in Ginnie Springs and has since migrated to and last seen in the Virgina area. Narcosis was last reported as being sited in January 2013.. 11 months later she is discovered once again. A third great White is located … Read entire article »

Filed under: Cavern, Contest, Diver, Divetalking, Featured, Open Water, Promotions, Recognition, Report, Sharks, Springs

POSEIDON SE7EN

POSEIDON SE7EN

Poseidon Diving Systems Introducing the POSEIDON SE7EN   [singlepic id=985 w= h= float=center] GET CLOSER TO MARINE LIFE  MUCH MORE TIME UNDERWATER   PATENTED SAFETY TECHNOLOGY   PLUG AND PLAY   EXPANDABLE SYSTEM (REC & TECH OPTIONS)   PROVEN PERFORMANCE     The POSEIDON SE7EN comes with a great range of options, accessories and upgrades. Fully customizable, the next generation rebreather can be configured as a recreational rebreather or a full-spec, 100M-rated technical rebreather         We would like to hear from you! If you have any suggestions please let us know by Emailing Suzette!   We would like to know … Read entire article »

Filed under: Divetalking, Featured, ocean, Open Water, Products, Rebreather, Rebreathers, Reference

Airlines Might Just Hold the Secret to Ending Dolphin Captures at the Cove

Airlines Might Just Hold the Secret to Ending Dolphin Captures at the Cove

By David Kirby If a dolphin were captured by Japanese fishermen and sold at great profit to a faraway amusement park, but no one was willing to fly the animal there, would the fishermen want to capture more dolphins? Probably not. That thinking has fueled a growing international effort to convince the world’s airlines and airfreight companies not to fly marine mammals captured from the wild to theme parks and aquariums. Citing the severe stress placed on … Read entire article »

Filed under: Conservation, Divetalking, Dolphin, Donation, Earth, Education, extinction, Featured, ocean, Open Water, Preservation, Recognition, Reference, Report

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