Where in the world?
By the Numbers
Parts Smarts
Horseshoe Uses
Hodgepodge
100

Horseshoe crabs are celebrated in these countries during Chinese Valentine's Day events - Hong Kong, Taiwan, China or all of the above

Hong Kong, Taiwan and China

100

the number of species of horseshoe crabs that exist today

4

100

the amount of eyes on a horseshoe crab

8-10

100

highly-valued biomedical product comes from this part of the horseshoe crab

blood

100

The blood of the horseshoe crab appears blue because it contains

copper

200

Where are the southernmost populations of the American horseshoe crab found?  Florida, Texas, Mexico or Chile

Mexico

200

The number of mouths on a horseshoe crab

one

200

the type of eyes on a horseshoe crab

compound eyes

200

horseshoe crab eggs provide a key resource in supporting the migration of this animal

(shore)birds (or red knots)

200

The process by which horseshoe crabs grow in stages and moves into a new, bigger shell

molting

300

Where are the eggs of horseshoe crabs considered a dining delicacy?  Malaysia, Thailand, Vietnam or all of the above?

Malaysia, Thailand and/or Vietnam

300

The number of PAIRS of legs on a horseshoe crab

5

300

structures horseshoe crabs use to breathe (for respiration)

book gills

300

LAL makes human medicines safe to use by ensuring that they are not contaminated with

bacterial endotoxins

300

people  have died from using horseshoe crabs in this way

eating them

400

Where do you need to go to see the largest masses of spawning horseshoe crabs on the planet?  Chesapeake Bay, Delaware Bay, San Francisco Bay or Massachusetts Bay

Delaware Bay, USA

400

the number of telsons on a horseshoe crab

one

400

This sells for $15,000 a quart

horseshoe crab blood

400

In the 1970's, University of Delaware researchers spun chitin filaments from horseshoe crabs for use in - (choose two) burn wraps, ACE wraps, surgical sutures, hospital gowns

burn wraps and/or surgical sutures

400

Category (phylum) of animals to which horseshoe crabs belong

arthropod

500

Where are horseshoe crabs raised by high school students for release into the wild to help build populations?  (Choose two)  Hong Kong, China, Vietnam, Taiwan

Hong Kong, Taiwan

500

the years it takes an American Horseshoe Crab to reach adulthood

8-10

500

the fluid from inside the horseshoe crab egg has potential to be used for - tissue regeneration therapy, eye surgery, diabetes treatment, Smallpox vaccines

tissue regeneration therapy

500

In the US today, large numbers of horseshoe crabs are used by commercial fishermen as ___________

bait

500

This country has a museum shaped like and dedicated to the horseshoe crab

Japan

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