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Horseshoe Crabs

Denise Garcia

Created on November 18, 2024

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Transcript

Horseshoe Crabs

Living Fossils

Importance

  • Serve as bait
  • Blood serves as a clotting agent, tests for bacteria and pathogens
  • The three Asian species are listed as critically endangered
  • Not enough data to estimate population size or status of the populations in Florida
  • Depend on intertidal beaches for spawning (Reproduction)
  • Highly susceptible to shoreline erosion, shoreline armoring, and development

4 Species

Japanese horseshoe crab (Tachypleus tridentatus)

Mangrove horseshoe crab (Carcinoscorpius rotundicauda)

Indian horseshoe crab (Tachypleus gigas)

American horseshoe crab (Limulus polyphemus)

Florida horseshoe crab watch program

  • Volunteer with the program
  • Report sightings of horseshoe crabs on iNaturalist
  • Report a tagged horseshoe crab
  • Flip horseshoe crabs over to prevent them from drying out
  • Support efforts of coastal restoration

MyFWC

fwcresearch or myfwc

Florida Horseshoe Crab Watch

MyFWC Florida Fish and Wildlife