Editing Porcelain crab (section)

==Description==
Porcelain crabs are small, usually with body widths less than {{convert|15|mm|in|frac=-16|abbr=off}}.<ref name="Denny">{{cite book |first1=Mark W. |last1=Denny |first2=Steven Dean |last2=Gaines  |name-list-style=amp |year=2007 |title=Encyclopedia of Tidepools and Rocky Shores |series=Encyclopedias of the Natural World, Issue&nbsp;1 |publisher=[[University of California Press]] |isbn=978-0-520-25118-2 |chapter=Crabs |pages=164–176 |chapter-url=https://books.google.com/books?id=uufQnE7MzMkC&pg=PA167}}</ref> They share the general body plan of a [[squat lobster]], but their bodies are more compact and flattened, an adaptation for living and hiding under rocks.<ref name=HongKong/> Porcelain crabs are quite fragile animals, and  often shed their limbs to escape predators,<ref name=Poore/> hence their name. The lost [[appendage]] can grow back over several [[ecdysis|moults]]. Porcelain crabs have large [[chela (organ)|chelae]] (claws), which are used for [[territory (animal)|territorial]] struggles, but not for catching food.<ref name=Denny/> The fifth pair of [[pereiopod]]s is reduced and used for cleaning.<ref name=Allen>{{cite book |first=Gerald R. |last=Allen |year=1997 |title=Tropical Marine Life |series=Periplus Nature Guides |publisher=[[Tuttle Publishing]] |isbn=978-962-593-157-9 |chapter=Anemone crab ''Neopetrolisthes maculatus'' |page=35 |chapter-url=https://books.google.com/books?id=vpMSjJ5DVDYC&pg=PA35}}</ref>