crab.

within 25 miles

Feb 7, 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 & WeatherBiologycoastecologyoysternew englandmigrationbeachphenologysurveyrestorationphenologicalgeologybeacheswater monitoringstewardshiphorseshoe crabmonitoringsandcoastaleeldunenew hampshirewatermusselspawningamerican eeldunescrab

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 & EnvironmentBiologyAnimalshorseshoe crabsurveybeachfloridatraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentspartina patensstumpsouth carolinachanging shorelinechanging landscapesea level riseblack needle rushnew yorkriverbankmarylandchesapeake bayhurricaneestuarykilling treessweet gumdying forestsaltwater marshwoodcoastal educationfloridasalttidal inundationstormfloodshorelinegeorgianorth carolinasomerset countymarinerising seassoileastern shoreghost forestland conversionsawgrasstidemarshcoastalecologywetlandsgeologykeryn gedanbleached treessaltwatersalt tolerantsalt water intrusiondroughtsalt waterfloodingdelaware baymullica river estuarysalt stressgedan labdead treessapdelawarenew jerseyregenerationpineblackwater national refugeghosts of the coaststorymapmid atlanticglobal warminglow elevationsalt tolerant plantseast coastsalineswampblue crabmaritime forestcattus islandgroundwatervirginiacordgrassvirginia coast reservetree deathsurvey123coastal ecologygeographythe george washington universityphragmitesclimate changecedarprime hook national wildlife refugecoastal marine ecologytree stumpwildfiresdisturbancedelmarva peninsulamarsh migrationseawatertributariesdying treesforestsaltwater marshes

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 & 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 & WeatherEducationin oceansrocky shoressandyteacherssandy beachrocky intertidalrockysand crabtidepoolstudentsintertidalmarinealgaesand crabsinvertebratesoceanintertidal 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 & EnvironmentBiologyEducationoceanmarinerocky shorecrab.quadratseaweedlimpetintertidalnew zealandchitoncitizen 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 wildlife monitoring marinemarine marine biology horseshoe crabwildlife monitoringfield workhorseshoe 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 & EnvironmentAnimalsmonitoringoceanappnaturalistoutdoorwashingtonmarinebeachbeach walkmycoastandroiddungenesscrabinvasive speciesapplescavenger huntshorelinepicture

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 & EnvironmentBiologyAnimalsiphonemonitorappcrab.horseshoe crabnew yorkcitizen-based monitoringmonitoring

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