crab.

within 25 miles

Apr 13, 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 & WeatherBiologyeeloystercoastalgeologydunebeachescoaststewardshiprestorationmonitoringsandhorseshoe crabwaternew hampshirenew englandamerican eelspawningbeachphenologicalphenologydunessurveymigrationecologycrabwater monitoringmussel

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 & EnvironmentBiologyAnimalstrainingfloridahorseshoe crabbeachsurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsapdying forestgedan labcattus islandvirginiablack needle rushmullica river estuarycoastalsalt stressrising seasriverbankdelawareswampblackwater national refugebleached treessaltwater marshespineblue crabwildfiresdroughtcoastal educationsawgrassnew jerseyregenerationtree stumpmid atlanticwoodkeryn gedansalt watersaltwater marshkilling treesfloodingdisturbancemarinedelaware baymarsheast coastecologycoastal marine ecologytree deathseawatersea level risecoastal ecologytidal inundationstormghost forestcedartributariesvirginia coast reservestumpphragmiteschesapeake bayghosts of the coastestuarydead treesgeographysomerset countysoilchanging landscapeglobal warmingspartina patenssalinegroundwaterstorymapland conversionthe george washington universitynorth carolinamaritime forestsurvey123eastern shoreclimate changemarylandwetlandsdelmarva peninsulafloridafloodprime hook national wildlife refugelow elevationshorelinesalt tolerantsalt tolerant plantssaltwaterhurricanesouth carolinasweet gumgeorgiaforesttidechanging shorelinemarsh migrationsaltsalt water intrusiongeologynew yorkcordgrassdying trees

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologyhorseshoe crabpicturebeach 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 & WeatherEducationintertidalintertidal monitoringmarinein oceansoceaninvertebratessandy beachrocky intertidalrocky shoressandytidepoolteachersalgaerockysand crabsand crabsstudents

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.new zealandmarineoceanseaweedintertidalcitizen sciencequadratchitonlimpetrocky shore

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 Sciencewildlife monitoringfield workhorseshoe crab horseshoe crab marine marine biology wildlife monitoringmarine biologymarine

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 & EnvironmentAnimalsappmycoastwashingtonbeachappleoceanandroidcrabshorelinepictureinvasive speciesmarinenaturalistmonitoringbeach walkscavenger huntdungenessoutdoor

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.monitoringiphonemonitorhorseshoe crabnew yorkcitizen-based monitoring

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