crab.

within 25 miles

Feb 21, 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 & WeatherBiologymusselsandrestorationhorseshoe crabwaterwater monitoringcoastmigrationdunescoastalgeologyecologynew hampshirestewardshipspawningcrabphenologybeachesduneeelsurveymonitoringnew englandamerican eelbeachoysterphenological

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 & EnvironmentBiologyAnimalsfloridabeachsurveytraininghorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentmarinenorth carolinacoastal ecologykilling treestidal inundationestuaryregenerationsalt water intrusionphragmitesswampbleached treesshorelinenew yorkdelmarva peninsulasapsawgrassmarsh migrationmullica river estuarysalt tolerant plantsstorymapwetlandsprime hook national wildlife refugeriverbankmarylanddelawaresea level risevirginiamid atlanticstormdelaware baymarshcattus islandstumppineblue crabgeologysalt waterghosts of the coastdisturbancefloodsalineecologytidegroundwatereast coastforestchanging shorelineclimate changecoastalsaltsaltwatersalt tolerantglobal warmingnew jerseycoastal marine ecologymaritime forestcedartree deathgeorgiahurricaneland conversioncordgrasstributarieswildfiresrising seaschesapeake baysomerset countysalt stresstree stumpdying forestdroughtgedan labsaltwater marshchanging landscapeghost forestsoilcoastal educationblackwater national refugedying treessaltwater marsheslow elevationthe george washington universityfloridawoodkeryn gedanseawaterspartina patenssweet gumsouth carolinavirginia coast reserveeastern shoresurvey123black needle rushdead treesgeographyflooding

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologypicturehorseshoe crabbeach walk

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 & WeatherEducationrockyoceanteachersinvertebratessandysand crabsandy beachrocky shorestidepoolrocky intertidalintertidalintertidal monitoringstudentssand crabsmarinealgaein oceans

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 & EnvironmentBiologyEducationcitizen sciencenew zealandmarinechitonquadratoceanseaweedlimpetintertidalrocky shorecrab.

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 horseshoe crabfield work marine wildlife monitoringhorseshoe crabwildlife monitoringmarinemarine biology 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 & EnvironmentAnimalsapplebeachmarinewashingtonmonitoringandroidshorelinebeach walknaturalistappscavenger huntoceanpicturecrabmycoastoutdoordungenessinvasive 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 & EnvironmentBiologyAnimalsnew yorkhorseshoe crabmonitoringcrab.iphonecitizen-based monitoringmonitorapp

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