genghisprawn is a student at Thomas Jefferson High School for Science and Technology and the 2008-2009 Student Member of the Fairfax County Environmental Quality Advisory Council.

He is currently conducting research on patterns of genetic and morphological diversity within Macrobrachium carcinus, the bigclaw river prawn.


  1. Hi genghisprawn,

    Nice site you’ve got going here, which I found through Nature Blog Network. I’ve added you to my “Insects & Invertebrates” blogroll, and I hope you’ll consider linking to my blog, Beetles In The Bush.


  2. I wonder if you can help me identify a crab. Today I was walking along a freshwater river and came across the remains of a crab. The only thing left were the claws, both the same size.

    A crayfish claw

    The river is fressh water, and is a good 10-15 miles away from the ocean, here is the location I found it on a map.


    Many thanks for any light you can shine.


  3. Hello, Carl.

    Given the shape of these claws (with the dactylus or movable “finger” above the immobile part — diagram here), it’s safe to say that they actually belonged to a Cambarid crayfish. You can find a list of the species native to New Hampshire here (which would indicate that the remains were of a species of Orconectes). Since the claws look too intact to be from an exuvium (an shed exoskeleton), I would guess them to be leftovers from a raccoon’s meal.

    Hope this helps!

  4. i fownd a barnacle fossl in my yard

  5. Ask the swles associate or check online to be sure. Should his be
    the case, limited Internet access may be in order.
    Then, he pulled up Clash of Clans built-in, real-money shop.

  6. hi genghisprawn i happen to have a female with eggs and what i think is a male i was maybe hoping you could give me a hand anyway thank for your time.

  7. Magisterial District Judge Ronald W. Swank arraigned both on Monday morning and released them on $3,000 unsecured bail. June 11.锘縋urse grab tied to pair in Maine accident

  8. Some nice points there. cool little bit of written content. Extremely helpful page.

  9. This blog looks just like my old one I bookmarked it to my bookmark site list and will be checking back soon. It is rare to see a nice post like this one these days. I bet you do crossword puzzles in ink.

  10. I shared this on LinkedIn. I had to take a break from kissing my boyfriend to write your write up.

  11. I bookmarked it to my bookmark site list and will be checking back soon. I could not help myself from commenting.

  12. I simply have to tell you that I really like your write ups write up. Now I feel stupid.

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