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Predator Eating Predator

fishing spider and dragonfly 385The Six-spotted Fishing Spider, Dolomedes triton, is an arachnid in the nursery web spider family Pisauridae. As its name implies, the Six-spotted Fishing Spider does occasionally eat small fish, but also consumes other invertebrates and tadpoles. The hunting techniques of fishing spiders are varied. Often they sit patiently during the day, waiting hours with their legs stretched out for an unsuspecting insect (such as the pictured Dot-tailed Whiteface dragonfly) to land on the same lily pad or leaf that the spider is sitting on. They can and do walk on water as well as dive up to seven inches deep in order to catch aquatic prey. The Six-spotted Fishing Spider in this photograph has removed the head of its prey and is drinking its liquefied innards.

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5 responses

  1. Do you know, is this the same as what some might call a “dock” spider? They can be quite large. Am always checking my kayak for them before I get in. I love spiders, but you know, it’s the surprise factor. Would rather not take them for a ride with me…

    June 3, 2015 at 8:04 am

    • Yes, Susan, this is one and the same as a dock spider!

      June 3, 2015 at 8:54 am

  2. Bill On The Hill...

    I have seen this spider on occasion & never had the slightest idea it had such a voracious appetite or the predatory skills it utilizes in catching prey.
    The drinking of the liquefied innards I believe is a common trait of most spiders?
    Great post Mary, keep em’ coming!
    BF…

    June 3, 2015 at 9:28 am

  3. Spiders must be very patient!

    June 3, 2015 at 3:29 pm

  4. johannah Powell

    oh the thought of ripping off the head and sucking out liquified innards….YIKES ha!

    June 4, 2015 at 10:18 pm

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