crab.

within 25 miles

Apr 19, 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 & WeatherBiologygeologyoysterdunesurveystewardshipcoastmonitoringspawningamerican eelsandrestorationphenologyeelphenologicalwaterbeachescrabnew hampshirenew englanddunesmigrationmusselecologywater monitoringbeachhorseshoe crabcoastal

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 & EnvironmentBiologyAnimalsfloridabeachtrainingsurveyhorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentfloodwetlandssurvey123storymaphurricanesouth carolinaswampchanging landscaperegenerationpinesaltwaterdisturbancecoastal ecologygroundwatersaltwater marsheseastern shorenew yorkmullica river estuarysapdead treesmarshdelawarecordgrassestuarythe george washington universitybleached treesdelaware bayforestdelmarva peninsulakilling treesvirginia coast reserveland conversioncoastal marine ecologyseawatersoilsalt tolerantsaltglobal warmingmarsh migrationfloridacoastal educationecologysea level riseprime hook national wildlife refugesweet gumghosts of the coastriverbankfloodingdying forestlow elevationsaltwater marshchesapeake baysalt stressblackwater national refugeeast coastcedarmarinecattus islandsalt tolerant plantswildfiresspartina patensnorth carolinatributariesclimate changetree deathsalinenew jerseygeorgiamarylandsalt water intrusioncoastaldroughtshorelinestormrising seastidephragmiteswoodsawgrassmaritime foresttidal inundationsalt waterblack needle rushdying treessomerset countystumpkeryn gedangeographygedan labghost forestgeologyvirginiamid atlanticchanging shorelineblue crabtree stump

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 & WeatherEducationintertidalstudentstidepoolinvertebratessand crabsrocky shoresrocky intertidalsandyteachersrockyintertidal monitoringalgaesand craboceanin oceansmarinesandy beach

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.oceanseaweedmarinelimpetcitizen sciencechitonintertidalnew zealandquadratrocky 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 Sciencehorseshoe crab marine marine biology wildlife monitoringmarine biologyfield workwildlife monitoringmarine 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 & EnvironmentAnimalsnaturalistoutdoorscavenger huntandroidapplemarineappcraboceanmycoastpicturebeach walkshorelinedungenessbeachmonitoringwashingtoninvasive 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 yorkcrab.monitorcitizen-based monitoringhorseshoe crabmonitoringiphoneapp

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