Fiddler Crabs don’t need any Viagra

I am sorry to bring it up…though I know that you’ve had a chance to think about it at some point.

momYes. Your parents had sex. It is the only possibility for creating such an awesome human (yes…I mean you).  Studies show that there is a 0% chance they refrained from bumpin’ uglies if you are sitting here reading this blog. Also, if they are lucky enough to be in the 50% of couples who have not gotten divorced, they are STILL probably definitely doin’ it. Good job Mom and Dad!

It is no surprise that the elderly are gettin’ oh-so-unimaginably-busy as well. In fact, 80% of 50-90 year olds are sexually active.  Pfizer cashed in big on this statistic by commercializing Sildenafil, or Viagra, to treat erectile dysfunction.  But enough about us…what about fiddler crabs? How do their reproductive behaviors change as they age?

fiddler crab

Is that a huge claw in your pocket?

Given that the age of fiddler crabs, or Uca annulipes,  can roughly be determined by their size, researchers at The Australian National Univeristy in Canberra, Australia compared the fiddler crab reproductive “waving” ritual  of large (older) and small (younger) crabs. Older crabs were more likely to wave to females, and with more persistence. This was consistent with data showing that once waving is initiated, females have an equal proneness to mate (independent of other factors). It also agrees with the life-history theory which “predicts an increase in reproductive effort with age as residual reproductive value declines.” The study was published this week in Biology Letters.

But on a serious note…who knew that old fiddler crabs could behave so…gangster?

Enjoy this video which shows how these fiddler crabs straight outa Compton throw their hands in the air do the reproductive mating wave. I love science.

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  One thought on “Fiddler Crabs don’t need any Viagra

  1. January 20, 2013 at 12:31 pm

    That was hilarious! Thank you for posting this. I’ll make sure not to mess with fiddler crabs.

    • January 23, 2013 at 8:16 pm

      Thanks for reading….I’ll keep my eyes open for more troublesome species to post about : )

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