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Horseshoe crabs are
not really crabs. They are more closely related to
spiders and ticks than crabs. They are arthropods.
There are only four species of
horseshoe crabs in the world and only one
in North America - Limulus polyphemus.
It
lives along the Atlantic coast
from Maine to the Gulf of Mexico. There are
more horseshoe crabs in
Delaware Bay than any other place in the world.
Our teacher took part in a horseshoe
crab survey at Pickering Beach in
central Delaware. It was the first weekend
of last June, when there was a
full moon and high tide. She brought home
a spoonful of eggs for our class
to study. The eggs began to hatch mainly during
July, a few each day.
They continued to hatch through August. So,
we are now studying and
raising the crabs.
Visit the links on the left to
learn more about horseshoe crabs. Click on
the horseshoe crabs below
to do a horseshoe crab activity. After you have
explored our site, go
back to the introduction and take the quiz again 
to see how much more you now know about horseshoe
crabs. Then click on
viewpoints and
tell us how you feel about horseshoe crabs before you leave
our site.
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