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Horseshoe Crab

Help Save the

American

One of the world's oldest living species is under attack, and we need your help to ensure its future.

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Visit the Sustainability Scorecard for Endotoxin Testing to see which pharmaceutical companies are making progress in transitioning away from horseshoe crab blood in their product testing.

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Click here to learn more.

2026 Horseshoe Crab Recovery Coalition
Wall Calendars are now available!

Recent Updates

Brazil recognizes animal-free replacement for horseshoe crab blood-derived test

July 24, 2026

Bianca Marigliani – Humane World for Animals

Tides are Turning

July 2, 2026

Matt Mendenhall – American Bird Conservancy

The horseshoe crab has protected our health for decades. Now it’s time to return the favor.

June 18, 2026

Deborah Cramer – Boston Globe