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  1. #1
    Registered User hilabeans's Avatar
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    Golden Lancehead Viper

    Really great read about the Golden Lancehead, a species of pit viper that lives all alone on a secluded Brazilian Island because of how deadly they are. No one can live or visit the island. Totally cool and totally deadly. It's good to be king.

    Full Story Here w/ Pictures!


    About 25 miles off the coast of Brazil, there is an island where no local would ever dare tread. Legend has it that the last fisherman who strayed too close to its shores was found days later adrift in his own boat, lifeless in a pool of blood.


    The mysterious island is known as Ilha da Queimada Grande, and it is in fact so dangerous to set foot there that Brazil has made it illegal for anyone to visit. The danger on the island comes in the form of the golden lancehead snakes - a species of pit viper and one of the deadliest serpents in the world.
    The lanceheads can grow to be over a foot-and-a-half long and it's estimated that there are between 2,000 and 4,000 snakes on the island, which unsurprisingly is known as Snake Island. The lanceheads are so venomous that a human bitten by one could be dead within an hour.


    Snake Island is uninhabited now, but people used to live there for a short period up to until the late 1920s when, according to legend, the local lighthouse keeper and his family were killed by vipers that slithered in through the windows. Today, the navy periodically visits the lighthouse for upkeep and makes sure no adventurers are wandering too close to the island.


    Another local legend claims that the snakes were originally introduced by pirates seeking to protect buried treasure on the island.
    In reality, the vipers' presence is the result of rising sea levels - a less exciting origin story than paranoid pirates to be sure, but still interesting.
    Snake Island used to be part of Brazil's mainland, but when sea levels rose over 10,000 years ago, it separated the landmass and turned it into an island.


    The animals that wound up isolated on Queimada Grande evolved differently from those on the mainland over the course of millennia, the golden lanceheads in particular. Since the island vipers had no prey but birds, mother nature helped them develop extra-potent venom so that they could almost immediately kill any bird. Local birds are too savvy to be caught by the many predators that inhabit the island and the snakes instead rely on birds who visit the island to rest as food.
    Lancehead snakes, which are the golden lancheads' mainland cousins, are responsible for 90 percent of all snakebites in Brazil. A bite from their golden relatives, whose venom is up to five times more potent, is less likely to actually happen due to their island isolation. However, such an encounter is far more likely to be lethal if it does happen. There are no fatality statistics of the golden lanceheads (since the only area they inhabit is cut off from the public), however someone bitten by a regular lancehead faces a seven percent chance of death if untreated. Treatment does not even guarantee a lancehead bite victim will be saved: there is still a three percent mortality rate.

    It's hard to imagine why anyone would want to visit a place where a painful death lurks every few feet. However, the vipers' deadly venom has shown potential in helping to combat heart problems. This has led to something of a black market demand for the venom. For some lawbreakers, the lure of the money is incentive enough to risk almost certain death on Queimada Grande.
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  3. #2
    BPnet Veteran craigafrechette's Avatar
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    I've read about that before, super interesting. Thanks for sharing!
    ...life is beautiful...

    "Every man dies, not every man really lives"
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    "If I can't be my own, I'd feel better dead"
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  4. #3
    Registered User AnnieHeart's Avatar
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    Wow!!
    -Annie and the snakes

  5. #4
    BPnet Senior Member dakski's Avatar
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    Re: Golden Lancehead Viper

    Sounds like fun to me!

    I bet itís beautiful and secluded.

    When do we leave? BP.net field trip anyone?

  6. #5
    Venom Life Neal's Avatar
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    Re: Golden Lancehead Viper

    Quote Originally Posted by dakski View Post
    Sounds like fun to me!

    I bet itís beautiful and secluded.

    When do we leave? BP.net field trip anyone?
    Lol if only. It's protected by the Brazilian Navy. I would love to go there and get a pair if it were legal though. Bothrops species are in a class of their own though. They have unique temperaments.
    -Colubrids-
    2.0.0 - Rhamphiophis rostratus (Rufous Beaked)

    -Venomous-
    1.1.0 - Atheris squamigera (Variable Bush Viper)
    1.0.0 - Cerastes cerastes (Desert Horned Viper)
    1.0.0 - Naja siamensis (Black & White Spitting Cobra)


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  8. #6
    BPnet Senior Member reptileexperts's Avatar
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    The major concern not addressed its a common trait among bothrops species in general, its called failure to thrive. A recent study was done on the island to catalog the number of adults / sub adults / juveniles / neonates. The results were incredibly disturbing that during their time on the island they were only able to find adults. It seems that the failure to thrive is impacting them the greatest right now. Bothrops battle on the r-selected mentality, that is to say they are niche finders, isolated in some scenarios, and have a ton of offspring that have low chance of survival. Failure to thrive is most common in B. insularis, jararaca, and alternatus. The amazing and sad part is this is not uncommon in captivity either. I recently received 1.1 jararaca, and one had failed to thrive after 3 weeks, while the other is champing along. Prior to this, we were working with 1.1 alternatus (urutus) which both failed to thrive within on week of eachother. Alternatively, one of their clutch mates died with a different keeper 24 hours after the first passed, while our second passed within a weeks time. This is common place with these specialist Bothrops, in fact, they are even up for consideration of a branch off from the species just to their own uniqueness.
    -------------------------------------------------------
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    "...That which we do not understand, we fear. That which we fear, we destroy. Thus eliminating the fear" ~Explains every killed snake"

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