How 2 stars avoid a 'leg-on' collision...
A 4 legged Archaster typicus vs a 5-legged Protoeaster nodosus and some tiny hermit crabs scurring away. A daily occurence at a unique submerged reef near you!
Some useful links on Protoeaster nodosus a.k.a Giant Nodulated sea star, Horned sea star or Chocolate Chip sea star :-
http://en.wikipedia.org/wiki/Protoreaster_nodosus
http://www.wildsingapore.com/chekjawa/text/c631.htm
about seastars in general : http://www.wildsingapore.com/chekjawa/text/p610.htm
about starfish 'science' : http://www.vsf.cape.com/%7Ejdale/science/science.htm
how do starfish grow? : http://www.microscopy-uk.org.uk/mag/art98/janstar.html
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