crab.

within 25 miles

Feb 11, 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 & WeatherBiologyoysterstewardshipsandphenologicalecologyduneshorseshoe crabwatercoastalamerican eelmigrationbeachsurveynew englandcrabcoastphenologyrestorationdunenew hampshirespawningbeacheseelwater monitoringmonitoringgeologymussel

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 & EnvironmentBiologyAnimalsbeachtrainingfloridahorseshoe crabsurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsapsouth carolinasalt tolerant plantsforestcattus islandbleached treesrising seasnew jerseyfloodhurricanecoastal educationmarylandecologydying forestdisturbancevirginia coast reserveprime hook national wildlife refugenew yorkmaritime forestseawaterriverbankblue crabtree deaththe george washington universityclimate changeblackwater national refugeswampghost forestwoodstormmarsh migrationsoilwetlandsmullica river estuaryspartina patenssweet gumblack needle rushdroughtpinegeorgiachanging landscapesalt watergeographytidesalinedead treesdelmarva peninsulasaltwater marsheskilling treeseast coastsea level risesawgrassdying treescoastalsalt water intrusioncoastal ecologytributariesdelaware baystorymapfloodingsalt toleranttidal inundationstumpwildfiresmarinechanging shorelinefloridagedan labcordgrassregenerationsomerset countygroundwatersaltgeologyeastern shorekeryn gedanshorelinesalt stressvirginiacedarghosts of the coastcoastal marine ecologysaltwater marshphragmitesland conversionnorth carolinasurvey123global warmingdelawaremid atlanticsaltwaterchesapeake bayestuarytree stumplow elevationmarsh

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkpicturehorseshoe crab

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 & WeatherEducationsandyrocky intertidalsand crabsrocky shoresrockysandy beachsand crabtidepoolinvertebratesintertidal monitoringin oceansmarinealgaeteachersstudentsintertidalocean

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 & EnvironmentBiologyEducationchitonoceanlimpetcrab.quadratseaweedmarineintertidalrocky shorenew zealandcitizen science

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 Sciencemarine biology horseshoe crabwildlife monitoringfield workmarine marine wildlife monitoringhorseshoe crab marine biology

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 & EnvironmentAnimalsscavenger huntcrabbeach walkoutdoorshorelinemycoastappapplepicturebeachnaturalistdungenesswashingtonmarineinvasive speciesandroidmonitoringocean

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 & EnvironmentBiologyAnimalsapphorseshoe crabnew yorkcrab.iphonemonitoringmonitorcitizen-based monitoring

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