Back to today’s briefing

Story perspectives

Horseshoe Crab Harvests Spike, Threatening Ecosystem Balance

10/30/2025

47 4

Summary

Story summary

Horseshoe crab blood is used to detect endotoxins in injectable drugs, and 718,809 crabs were collected in 2021.
The large harvest heightens concerns about declining populations and ecological impacts.
Handling practices weaken crabs and reduce eggs for migratory birds such as red knots.
Recombinant factor C (rFC) is gaining traction, with early adopters reporting fewer complications and less reliance on wild harvests.

1 of 1

Story summary

Horseshoe crab blood is used to detect endotoxins in injectable drugs, and 718,809 crabs were collected in 2021.
The large harvest heightens concerns about declining populations and ecological impacts.
Handling practices weaken crabs and reduce eggs for migratory birds such as red knots.
Recombinant factor C (rFC) is gaining traction, with early adopters reporting fewer complications and less reliance on wild harvests.