Thursday, August 18, 2011

How does a spider grows up?

Well, spiders don't grow like us, because they're arthropods. =D They have a exoskeleton, that's exchanged from time to time, thus allowing the spider to keep growing, this process is called Ecdysis (or "molt"), and yes, it's for all the arthropods. You may be asking, "so?". It's a awesome process, keep reading and you won't regret.



It all start when the exoskeleton starts to be tight, then the spider becomes inactive for a period of time (like a week or two), after this time it makes a thin "bed" of silk and lies upside down on it:


After lie, it start the process,the exoskeleton is opened by its prosoma ("head" or cephalothorax)and most of times the abdomen is ripped:


and for two hours long this happens:






After this, it becomes whitish and walks a little weird because the new exoskeleton is not hard as the old one, but it takes a short time to back to normal:



The old exoskeleton:
*NOTE: The circle indicates the spermatheca, that i'll talk about in another post.

That's it, more photos:
*WATCH the videos!!!!











27 comments:

  1. Processo interessante!!!! muito interessante1

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  2. Thats hanging I wont sleep now.

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  3. Spiders creep me out. Especially big ones like this. Interesting post nonetheless.

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  4. Fascinating, i cant say i've spent too much time close enough to see the detail though

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  5. Nice, I have always wanted to gey myself a tarantula :)

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  6. I used to be so scared of spiders but learning about them somehow took that fear away although I still cringe when I see a big one in person haha

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  7. oh god cannot stand spiders at all! but fascinating pictures!

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  8. i cant even stand to look at those pictures! al those eyes and legs

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  9. Woah there really is a blog about everything

    ReplyDelete
  10. Hey, I fixed this for you.

    Well, spiders don't grow like us, because they're arthropods. =D They have a exoskeleton, that's exchanged from time to time, thus allowing the spider to keep growing, this process is called Ecdysis (or "molt"), and yes, it's for all the arthropods. You may be asking, "so?". It's a awesome process, keep reading and you won't regret.

    ReplyDelete
  11. I'm quite scared of spiders, but this is actually quite interesting! It looks a little like how a lizard sheds its skin, except looks a fair bit more brutal.

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  12. No other option when you have an exoskeleton.

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  13. I kind of know how spiders molt, but I've never seen it in such detail. Thanks.

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