Unusually Aggressive Great White Sharks

The behaviour is reportedly very different than anything we have seen before with multiple shark breaches each day, lots of competitive behaviour between the individual animals and aggressive and high speed passes under the boat and off the transom. This is very different than the slower and graceful behaviour that we have seen in past seasons. I’m not sure what to make of it and am fearful that the root cause is hungry sharks because of a reduced stock of tuna around Isla Guadalupe.

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Kick-off for our Guadalupe Island Great White Shark Season

Dave and the divemasters reported that the first shark appeared within 20 minutes of putting the first cage in the water. Total number of sightings included at least eight great white sharks (maybe more), including our old friends Shredder (with the tattered dorsal fin) and Bruce.

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New legislation to protect shark populations

Very, very exciting news on our end is the enactment of new legislation in Mexico designed to protect shark populations. I couldn’t be more ecstatic about the news. Is my pleasure inform you that the “Mexican Official Standard Rule NOM-029-PESC-2006, Responsible shark and ray fisheries” was published last February 14, 2007 in the Federal Gazette of the Mexican Government. This set of regulations will improve the management of all shark fisheries (artisanal and offshore) in Mexico and will promote the conservation of shark stocks and vulnerable shark and ray species.

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4 different great white shark sightings this morning

Our first day at anchor on this trip with the great white sharks of Guadalupe Island has been very good and productive. 4 different shark sightings this morning, including our 3 favourite groupies – Bruce, Chica and Shredder. These particular white sharks really seem to like the Nautilus Explorer.

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Steaming back out to the Guadalupe great white sharks

The crew did a fantastic job on turnaround yesterday afternoon and we were embarking guests by 2130, preparatory to steaming back out to the Guadalupe great white sharks. We’re hoping to be the only charter boat out there, although it is very likely that the sailing yacht Galatea and the motor yacht Prima Donna will be onsite by the time we get back to Guadalupe.

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