These Crabs Have Been Crawling Before the Dinosaurs

The American horseshoe crab, found along the Atlantic coastline, is facing an uncertain future due to habitat development and overharvesting. These crabs, which have ten eyes, are crucial for medical purposes as their blood helps prevent illnesses. However, their population is rapidly declining, making them a vulnerable species.

What is the primary habitat of the American horseshoe crab?

How many eyes does the horseshoe crab have and where are they located?

What is the significance of horseshoe crab blood in medicine?

What factors have contributed to the decline in horseshoe crab populations?

Why are horseshoe crabs considered a vulnerable species?