sand star regeneration @ cyrene

sand star regeneration @ cyrene from BeachBum on Vimeo.

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Seastars have a remarkable ability to re-generate their limbs.
This one had lost two of its arms but it was growing two new ones.
You can see the tiny arms jutting out.

Link : http://www.biomedcentral.com/1471-213X/7/115
This Article explains all about regeneration in sea cucumbers.