crab.

within 25 miles

Jan 24, 2026

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Coastal Research Volunteers

Contribute to coastal science, stewardship, and resilience

Multiple locations, including yours!

Ongoing

Citizen ScienceAnimalsOcean Water MarineNature & OutdoorsGeology & Earth ScienceEcology & EnvironmentClimate & WeatherBiologyspawningbeachesphenologicalcoastsandmusselnew englandphenologycrabecologymigrationrestorationamerican eelwater monitoringgeologyeeloystermonitoringduneduneshorseshoe crabnew hampshirecoastalwaterbeachsurveystewardship

FWC:FWRI, UF/IFAS, UF Department of Biology, SeaGrant Florida

Florida Horseshoe Crab Watch

Monitor spawning horseshoe crab beaches

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineNature & OutdoorsEcology & EnvironmentBiologyAnimalssurveyhorseshoe crabfloridatrainingbeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsurvey123delaware baycoastal educationdelmarva peninsulastormsalt tolerantvirginiaspartina patenscedarregenerationdying treesmarinemarsh migrationpineland conversionsapmarylandprime hook national wildlife refugekeryn gedanbleached treesswampmid atlanticfloodingsoilmullica river estuaryriverbanksalt water intrusioneastern shorerising seasdisturbancegroundwatersouth carolinageologychesapeake baysalt waterecologyblackwater national refugesaltwater marshesblue crabvirginia coast reservecattus islandgedan labphragmiteseast coastsaltwaterstorymapsea level risewoodchanging shorelinewetlandscoastal ecologynew jerseythe george washington universitysaltwater marshtidal inundationseawatersomerset countywildfirestidetributariesnorth carolinasalt stressstumpfloridasalinedead treesghost forestdelawarekilling treesnew yorkcoastalsalt tolerant plantsdying forestclimate changemaritime forestflooddroughtforestsweet gumghosts of the coasttree stumpcoastal marine ecologygeorgiacordgrassshorelinesawgrassestuarymarshhurricanetree deathgeographyblack needle rushglobal warmingsaltchanging landscapelow elevation

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologyhorseshoe crabbeach walkpicture

Delaware National Estuarine Research Reserve

Horseshoe Crab Spawning Survey

Monitor horseshoe crab populations in the DE Bay

Dover, DE

Ongoing

Citizen ScienceAnimalsBiologyOcean Water MarineNature & OutdoorsEcology & Environmenthorseshoe crabsdelaware bay

Greater Farallones Association, Pacific Grove Museum of Natural History and the NOAA Office of National Marine Sanctuaries

Long-term Monitoring Program and Experiential Training for Students (LiMPETS)

Provide authentic, hands-on coastal monitoring experiences

Multiple locations, including yours!

Ongoing

Citizen ScienceNature & OutdoorsBiologyGeology & Earth ScienceEcology & EnvironmentOcean Water MarineAnimalsClimate & WeatherEducationsand crabalgaesandy beachteachersoceanrocky shorestidepoolintertidal monitoringrocky intertidalintertidalstudentsmarinein oceansrockyinvertebratessandysand crabs

New Zealand Marine Studies Centre

Marine Metre Squared

Survey the intertidal community in New Zealand.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineNature & OutdoorsEcology & EnvironmentBiologyEducationchitoncitizen scienceseaweednew zealandmarineoceanlimpetintertidalcrab.quadratrocky shore

Anne Arundel County Recreation and Parks

Mayo Peninsula Parks Horseshoe Crab Counts

Count yearly population of spawning horseshoe crabs at Mayo Peninsula Parks, Anne Arundel County Maryland

Near your search location!

Ongoing

Citizen Science marinemarine marine biologyfield work horseshoe crabmarine biologyhorseshoe crab wildlife monitoringwildlife monitoring

Washington Sea Grant's Crab Team, WSU Extension, and a number of local partners

Molt Search

Monitor invasive European green crabs & native Dungeness crabs

Multiple locations, including yours!

Ongoing

Citizen ScienceNature & OutdoorsEcology & EnvironmentAnimalsmarinemycoastandroidappdungenessoceanpicturebeachscavenger huntinvasive specieswashingtonshorelineoutdoorcrabapplemonitoringnaturalistbeach walk

Cornell University Cooperative Extension of Suffolk County

New York Horseshoe Crab Monitoring Network

Promote conservation of horseshoe crabs in NY State.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineNature & OutdoorsEcology & EnvironmentBiologyAnimalsmonitoriphonecrab.citizen-based monitoringhorseshoe crabmonitoringappnew york

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