- adult females may lay ~90,000 eggs a year
- about 10 reach adulthood
- eggs hatch in the sand and the babies swim for about a week and then settle to walk on the shore floor
- juveniles generally spend first and second summers in intertidal flats
- the species is on the road to being endangered
- at six months they are appx. the size of a nickel
- by one year they reach about the size of a quarter
- live alone the Atlantic coast of the United States
- Chesapeake Bay
- Sandy Hook, NJ
- sexual maturity is not reached until 9-12 years
- they have a higher survival rate in captivity when the tank contains sand compared to without
http://www.horseshoecrab.org/info/lifecycle.html
http://www.ceoe.udel.edu/horseshoecrab/history/lifestages.html
http://marinebio.org/species.asp?id=281
http://iobis.org/mapper/?taxon=Limulus%20polyphemus
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