crab.

within 25 miles

Jul 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 & WeatherBiologyeelamerican eelwaterbeachesecologybeachhorseshoe crabcoastnew hampshirecrabgeologyrestorationmonitoringwater monitoringspawningstewardshipdunesphenologymigrationsandcoastalphenologicalduneoysternew englandmusselsurvey

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 & EnvironmentBiologyAnimalstrainingsurveybeachhorseshoe crabflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentbleached treesgedan labstorymapclimate changeblue crabtidegeorgiasalt stresseast coastsalt water intrusionvirginia coast reservedroughtsalttree deathsaltwaterkeryn gedantributariesdelaware baysurvey123hurricaneswampghost forestpineprime hook national wildlife refugeshorelineforestspartina patensghosts of the coastmullica river estuaryglobal warmingmarsh migrationnew jerseydead treesfloodingstumpblack needle rushnew yorksalt tolerantwildfiresdelawarewoodthe george washington universitysawgrassregenerationdisturbancefloridacoastal educationmarylandlow elevationestuarymarinegroundwatermarshphragmitescoastalgeographyland conversionsea level risefloodsalt tolerant plantssalinedying forestdelmarva peninsulachanging shorelinevirginiacoastal marine ecologycoastal ecologysaltwater marshblackwater national refugesaltwater marshessouth carolinageologytree stumpsapsoilchanging landscapeseawaterkilling treessweet gumecologysalt watercordgrassriverbankmid atlanticcattus islandmaritime forestrising seassomerset countyeastern shorestormtidal inundationchesapeake baywetlandscedardying treesnorth carolina

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkhorseshoe crabpicture

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 & Environmentdelaware bayhorseshoe crabs

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 & WeatherEducationteacherstidepoolalgaerockyrocky shoresinvertebratesrocky intertidalintertidalsandy beachsand crabsandyoceanin oceansmarinesand crabsstudentsintertidal monitoring

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 & EnvironmentBiologyEducationnew zealandchitonquadratrocky shorelimpetintertidalcrab.seaweedoceanmarinecitizen 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 Science wildlife monitoring marine biologyhorseshoe crabmarine biologymarinefield work marinewildlife monitoring horseshoe crab

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 & EnvironmentAnimalsandroidshorelinepicturenaturalistmonitoringapplebeach walkscavenger huntdungenessmarineoutdoorbeachcrabwashingtonappoceanmycoastinvasive species

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 & EnvironmentBiologyAnimalsiphoneappnew yorkcrab.monitoringmonitorhorseshoe crabcitizen-based monitoring

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