ADVERTISEMENT
  About the SA Blog Network













Culturing Science

Culturing Science


Biology as relevant to us earthly beings
Culturing Science Home

The Epic Battle of Crab vs. Crab

The views expressed are those of the author and are not necessarily those of Scientific American.


Email   PrintPrint



Fiddler crabs are strange little beasties. Males have what amounts to one giant claw, which can be as long as his body is wide, and one tiny T. rex arm that looks quite out of place on a crab.

Recently, a researcher wrote a blog post about why fiddler crabs have such an enormous claw on the ocean site I run for the Smithsonian. Some lobsters have one claw bigger than the other, but this is because they can regenerate a claw lost in a fight, which ends up smaller in comparison. For fiddlers, this is a matter of evolution: dually a weapon to fight off other males and an ornamental object to impress the ladies. (Read the details on the blog!)

For the post, I edited my first video: fiddler crabs fighting to some pretty epic music. Watch it above!

Preview Image: John Christy, Smithsonian Tropical Research Institute

Hannah Waters About the Author: Hannah Waters writes about natural history and the way people think about nature. She lives and works in Philadelphia, PA, but really on the internet. Follow on Twitter @hannahjwaters.

The views expressed are those of the author and are not necessarily those of Scientific American.





Rights & Permissions

Add Comment

Add a Comment
You must sign in or register as a ScientificAmerican.com member to submit a comment.

More from Scientific American

Scientific American Special Universe

Get the latest Special Collector's edition

Secrets of the Universe: Past, Present, Future

Order Now >

X

Email this Article

X