crab.

within 25 miles

Apr 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 & WeatherBiologynew hampshiremigrationmusselwater monitoringcoaststewardshipbeachesbeacheelspawningsandamerican eeldunesrestorationsurveymonitoringdunephenologicalcoastalhorseshoe crabwatergeologyphenologyecologyoysternew englandcrab

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 & Environmentforestchanging landscapeblack needle rushtree stumpshorelinesaltwater marshescoastalrising seasdying forestkeryn gedanmid atlanticsweet gumchesapeake bayhurricanesalt water intrusioneast coastmarylandchanging shorelinesalt waterwoodwildfiressurvey123blackwater national refugestumpsalt stresssalt tolerant plantsghost forestglobal warmingland conversionwetlandsfloodvirginia coast reserveprime hook national wildlife refugenew jerseygroundwaterspartina patensdead treesthe george washington universitydisturbancesalt tolerantriverbankmullica river estuaryseawatercordgrassdroughtphragmitesmarsh migrationsoilstorymapnorth carolinatidetidal inundationsouth carolinageographysea level riseregenerationtributariesestuarysapswampdelawarebleached treesstormeastern shorecoastal ecologyclimate changefloridageologynew yorksaltvirginiadelmarva peninsulatree deathcoastal marine ecologysaltwater marshfloodingsomerset countymarinesalinemarshdying treessaltwatergedan labkilling treescattus islandpinelow elevationcedarcoastal educationecologyblue crabdelaware baysawgrassgeorgiamaritime forestghosts of the coast

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 & 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 & WeatherEducationmarinetidepooloceanrockyinvertebratesrocky shoressandyteacherssand crabin oceansrocky intertidalstudentssandy beachintertidalalgaesand crabsintertidal 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 & EnvironmentBiologyEducationcrab.seaweednew zealandlimpetmarineoceanintertidalrocky shorequadratcitizen sciencechiton

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 biologywildlife monitoring marine marine biologyfield workmarine wildlife monitoring horseshoe crabhorseshoe 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 & EnvironmentAnimalscrabpictureshorelineoceandungenessbeach walkinvasive speciesappandroidbeachnaturalistapplemycoastscavenger huntoutdoorwashingtonmonitoringmarine

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 & EnvironmentBiologyAnimalsappcrab.monitorhorseshoe crabnew yorkiphonemonitoringcitizen-based monitoring

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