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Veronica's Random Dose - The Coconut Crab.

Updated on December 16, 2009

Found in just a few places around the world (due to it's endanger from extinction), lives the world's largest land-living arthropod - the coconut crab (also known as the robber crab or palm thief since some have been rumored to steal shiny objects from individuals homes and tents).

Referenced to be about 40 cm (16 in) in length, and weighing up to 4.1 kg (9.0 lb), this nocturnal specimen comes out at night to forage for; among other things; coconuts!

Ingeniously, the coconut crab finds several ways to consume the contents of a coconut.

1.) Eyewitnesses have watched as this unique arthropod cut a coconut down to a husk nut; climb a tree; then proceed to drop the husk nut to the ground where it breaks apart; and then climb down from the tree to consume the contents.

2.) Others have watched as the coconut crab simply pounds a coconut against a rock until it cracks open; allowing it to consume it's contents (it is the front-most pair of legs that consist of large claws used to open coconuts, these claws can lift objects up to 29 kg [64 lb]).

Although the coconut crab is known for it's ingenuity, unlike it's peers, the coconut crab lacks the ability to swim. No matter, the coconut crab has learned to adapt so well, that it can live for over 30 years!

* Other Interesting Crab Facts.

1.) There are literally thousands of crab species (5,700 species according to the book The World of Animals pg.91) from giant spider crabs with pincers as long as a person's arms, to tiny porcelain and pea crabs that would easily fit in this o!

2.) The biggest crab known to man is the Japanese giant spider crab - in addition to being the largest crustacean and the largest living arthropod, the Japanese giant spider crab's body is the size of a dinner plate and can measure 11.5 feet (3.5 m) across its outstretched claws.

3.) The rear body of a hermit crab is soft and twisted. This is due to the fact that it lives in the abandoned shell of a sea snail, such as a whelk. It holds the shell from inside with its two pairs of smaller rear legs until it goes in search of a larger home.

Whether it be the coconut crab, the Japanese giant spider crab, or the tiny porcelain crab, these crustaceans are just a few unique specimens of the natural world.


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    • Veronica Allen profile imageAUTHOR

      Veronica Allen 

      9 years ago from Georgia

      Thanks fortunerep. I do a lot of research since I homeschool by two daughters, so I'm always coming across things like these. I just glad you guys like it.

    • fortunerep profile image


      9 years ago from North Carolina

      wow, I love these hubs Veronica, where do you come up with this stuff, it is great!


    • Veronica Allen profile imageAUTHOR

      Veronica Allen 

      9 years ago from Georgia

      Thanks creativeone59, learning new things keeps your mind active.

    • creativeone59 profile image

      benny Faye Douglass 

      9 years ago from Gold Canyon, Arizona

      Thank for that very interesting hub, we learn something every day. creativeone59


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