Horseshoe Crab Sightings

Click on a state or country name for horseshoe crab sighting locations.

If you have seen horseshoe crabs in a location not yet listed, please let us know!

US Map Asian Map Indonesia Singapore Brunei Malaysia Philippines Taiwan Vietnam Cambodia Thailand Laos Burma India Bangladesh China Japan South Korea

Report a Sighting!

Please tell us where you've seen horseshoe crabs:

Your Name







Where did you see horseshoe crabs?
Please provide the date, (month and year) and the
location (state, town, beach, inlet etc.)

Please add any additional information or comments.

Report a Tag!

All horseshoe crab tagging information in the USA is managed by the USF&WS and should be reported through their website. Tags on horseshoe crabs are quite obvious, as shown in the photo at left.